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Vulnerability Details :

CVE-2018-0136

Summary
Assigner-cisco
Assigner Org ID-d1c1063e-7a18-46af-9102-31f8928bc633
Published At-31 Jan, 2018 | 20:00
Updated At-02 Dec, 2024 | 21:24
Rejected At-
Credits

A vulnerability in the IPv6 subsystem of Cisco IOS XR Software Release 5.3.4 for the Cisco Aggregation Services Router (ASR) 9000 Series could allow an unauthenticated, remote attacker to trigger a reload of one or more Trident-based line cards, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect handling of IPv6 packets with a fragment header extension. An attacker could exploit this vulnerability by sending IPv6 packets designed to trigger the issue either to or through the Trident-based line card. A successful exploit could allow the attacker to trigger a reload of Trident-based line cards, resulting in a DoS during the period of time the line card takes to restart. This vulnerability affects Cisco Aggregation Services Router (ASR) 9000 Series when the following conditions are met: The router is running Cisco IOS XR Software Release 5.3.4, and the router has installed Trident-based line cards that have IPv6 configured. A software maintenance upgrade (SMU) has been made available that addresses this vulnerability. The fix has also been incorporated into service pack 7 for Cisco IOS XR Software Release 5.3.4. Cisco Bug IDs: CSCvg46800.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:cisco
Assigner Org ID:d1c1063e-7a18-46af-9102-31f8928bc633
Published At:31 Jan, 2018 | 20:00
Updated At:02 Dec, 2024 | 21:24
Rejected At:
▼CVE Numbering Authority (CNA)

A vulnerability in the IPv6 subsystem of Cisco IOS XR Software Release 5.3.4 for the Cisco Aggregation Services Router (ASR) 9000 Series could allow an unauthenticated, remote attacker to trigger a reload of one or more Trident-based line cards, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect handling of IPv6 packets with a fragment header extension. An attacker could exploit this vulnerability by sending IPv6 packets designed to trigger the issue either to or through the Trident-based line card. A successful exploit could allow the attacker to trigger a reload of Trident-based line cards, resulting in a DoS during the period of time the line card takes to restart. This vulnerability affects Cisco Aggregation Services Router (ASR) 9000 Series when the following conditions are met: The router is running Cisco IOS XR Software Release 5.3.4, and the router has installed Trident-based line cards that have IPv6 configured. A software maintenance upgrade (SMU) has been made available that addresses this vulnerability. The fix has also been incorporated into service pack 7 for Cisco IOS XR Software Release 5.3.4. Cisco Bug IDs: CSCvg46800.

Affected Products
Vendor
n/a
Product
Cisco Aggregation Services Router 9000 Series
Versions
Affected
  • Cisco Aggregation Services Router 9000 Series
Problem Types
TypeCWE IDDescription
CWECWE-20CWE-20
Type: CWE
CWE ID: CWE-20
Description: CWE-20
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://www.securityfocus.com/bid/102905
vdb-entry
x_refsource_BID
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6
x_refsource_CONFIRM
http://www.securitytracker.com/id/1040315
vdb-entry
x_refsource_SECTRACK
Hyperlink: http://www.securityfocus.com/bid/102905
Resource:
vdb-entry
x_refsource_BID
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6
Resource:
x_refsource_CONFIRM
Hyperlink: http://www.securitytracker.com/id/1040315
Resource:
vdb-entry
x_refsource_SECTRACK
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://www.securityfocus.com/bid/102905
vdb-entry
x_refsource_BID
x_transferred
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6
x_refsource_CONFIRM
x_transferred
http://www.securitytracker.com/id/1040315
vdb-entry
x_refsource_SECTRACK
x_transferred
Hyperlink: http://www.securityfocus.com/bid/102905
Resource:
vdb-entry
x_refsource_BID
x_transferred
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: http://www.securitytracker.com/id/1040315
Resource:
vdb-entry
x_refsource_SECTRACK
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ykramarz@cisco.com
Published At:31 Jan, 2018 | 20:29
Updated At:04 Sep, 2020 | 17:14

A vulnerability in the IPv6 subsystem of Cisco IOS XR Software Release 5.3.4 for the Cisco Aggregation Services Router (ASR) 9000 Series could allow an unauthenticated, remote attacker to trigger a reload of one or more Trident-based line cards, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect handling of IPv6 packets with a fragment header extension. An attacker could exploit this vulnerability by sending IPv6 packets designed to trigger the issue either to or through the Trident-based line card. A successful exploit could allow the attacker to trigger a reload of Trident-based line cards, resulting in a DoS during the period of time the line card takes to restart. This vulnerability affects Cisco Aggregation Services Router (ASR) 9000 Series when the following conditions are met: The router is running Cisco IOS XR Software Release 5.3.4, and the router has installed Trident-based line cards that have IPv6 configured. A software maintenance upgrade (SMU) has been made available that addresses this vulnerability. The fix has also been incorporated into service pack 7 for Cisco IOS XR Software Release 5.3.4. Cisco Bug IDs: CSCvg46800.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.18.6HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Primary2.07.8HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C
Type: Primary
Version: 3.1
Base score: 8.6
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Type: Primary
Version: 2.0
Base score: 7.8
Base severity: HIGH
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C
CPE Matches
Cisco Systems, Inc.
cisco
>>ios_xr>>5.3.4
cpe:2.3:o:cisco:ios_xr:5.3.4:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9001>>-
cpe:2.3:h:cisco:asr_9001:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9006>>-
cpe:2.3:h:cisco:asr_9006:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9010>>-
cpe:2.3:h:cisco:asr_9010:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9904>>-
cpe:2.3:h:cisco:asr_9904:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9906>>-
cpe:2.3:h:cisco:asr_9906:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9910>>-
cpe:2.3:h:cisco:asr_9910:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9912>>-
cpe:2.3:h:cisco:asr_9912:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>asr_9922>>-
cpe:2.3:h:cisco:asr_9922:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
NVD-CWE-OtherPrimarynvd@nist.gov
CWE-20Secondaryykramarz@cisco.com
CWE ID: NVD-CWE-Other
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-20
Type: Secondary
Source: ykramarz@cisco.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://www.securityfocus.com/bid/102905ykramarz@cisco.com
Third Party Advisory
VDB Entry
http://www.securitytracker.com/id/1040315ykramarz@cisco.com
Third Party Advisory
VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6ykramarz@cisco.com
Patch
Vendor Advisory
Hyperlink: http://www.securityfocus.com/bid/102905
Source: ykramarz@cisco.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: http://www.securitytracker.com/id/1040315
Source: ykramarz@cisco.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6
Source: ykramarz@cisco.com
Resource:
Patch
Vendor Advisory

Change History

0
Information is not available yet

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Matching Score-10
Assigner-Cisco Systems, Inc.
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7 Day CHG~0.00%
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
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Product-telepresence_te_softwaretelepresence_tc_softwaren/a
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Improper Input Validation
CVE-2014-2161
Matching Score-10
Assigner-Cisco Systems, Inc.
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Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.22% / 44.58%
||
7 Day CHG~0.00%
Published-02 May, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-tandberg_880_mxptandberg_550_mxptelepresence_system_edge_85_mxptandberg_990_mxptelepresence_system_codec_3000_mxptelepresence_system_edge_75_mxptelepresence_system_codec_6000_mxptelepresence_system_1700_mxptandberg_2000_mxptelepresence_system_softwaretelepresence_system_1000_mxptelepresence_system_edge_95_mxptandberg_770_mxpn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2014-2108
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-1.35% / 80.59%
||
7 Day CHG~0.00%
Published-27 Mar, 2014 | 21:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS 12.2 and 15.0 through 15.3 and IOS XE 3.2 through 3.7 before 3.7.5S and 3.8 through 3.10 before 3.10.1S allow remote attackers to cause a denial of service (device reload) via a malformed IKEv2 packet, aka Bug ID CSCui88426.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosios_xen/a
CWE ID-CWE-20
Improper Input Validation
CVE-2014-2113
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-1.35% / 80.59%
||
7 Day CHG~0.00%
Published-27 Mar, 2014 | 21:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS 15.1 through 15.3 and IOS XE 3.3 and 3.5 before 3.5.2E; 3.7 before 3.7.5S; and 3.8, 3.9, and 3.10 before 3.10.2S allow remote attackers to cause a denial of service (I/O memory consumption and device reload) via a malformed IPv6 packet, aka Bug ID CSCui59540.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosios_xen/a
CWE ID-CWE-20
Improper Input Validation
CVE-2014-2159
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.22% / 44.58%
||
7 Day CHG~0.00%
Published-02 May, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The H.225 subsystem in Cisco TelePresence System MXP Series Software before F9.3.1 allows remote attackers to cause a denial of service (device reload) via crafted packets, aka Bug ID CSCtq78722.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-tandberg_880_mxptandberg_550_mxptelepresence_system_edge_85_mxptandberg_990_mxptelepresence_system_codec_3000_mxptelepresence_system_edge_75_mxptelepresence_system_codec_6000_mxptelepresence_system_1700_mxptandberg_2000_mxptelepresence_system_softwaretelepresence_system_1000_mxptelepresence_system_edge_95_mxptandberg_770_mxpn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2014-2166
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-02 May, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The SIP implementation in Cisco TelePresence TC Software 4.x and TE Software 4.x allows remote attackers to cause a denial of service (device reload) via crafted SIP packets, aka Bug ID CSCto70562.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-telepresence_te_softwaretelepresence_tc_softwaren/a
CWE ID-CWE-20
Improper Input Validation
CVE-2014-2175
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-02 May, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco TelePresence TC Software 4.x and 5.x and TE Software 4.x and 6.0 allow remote attackers to cause a denial of service (memory consumption) via crafted H.225 packets, aka Bug ID CSCtq78849.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-telepresence_te_softwaretelepresence_tc_softwaren/a
CWE ID-CWE-20
Improper Input Validation
CVE-2014-2160
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.22% / 44.58%
||
7 Day CHG~0.00%
Published-02 May, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The H.225 subsystem in Cisco TelePresence System MXP Series Software before F9.3.1 allows remote attackers to cause a denial of service (device reload) via crafted packets, aka Bug ID CSCty45745.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-tandberg_880_mxptandberg_550_mxptelepresence_system_edge_85_mxptandberg_990_mxptelepresence_system_codec_3000_mxptelepresence_system_edge_75_mxptelepresence_system_codec_6000_mxptelepresence_system_1700_mxptandberg_2000_mxptelepresence_system_softwaretelepresence_system_1000_mxptelepresence_system_edge_95_mxptandberg_770_mxpn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2014-2106
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-1.10% / 78.56%
||
7 Day CHG~0.00%
Published-27 Mar, 2014 | 21:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS 15.3M before 15.3(3)M2 and IOS XE 3.10.xS before 3.10.2S allow remote attackers to cause a denial of service (device reload) via crafted SIP messages, aka Bug ID CSCug45898.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosios_xen/a
CWE ID-CWE-20
Improper Input Validation
CVE-2014-2164
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-02 May, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The SIP implementation in Cisco TelePresence TC Software 4.x and 5.x and TE Software 4.x and 6.0 allows remote attackers to cause a denial of service (device reload) via crafted SIP packets, aka Bug ID CSCuj94651.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-telepresence_te_softwaretelepresence_tc_softwaren/a
CWE ID-CWE-20
Improper Input Validation
CVE-2014-2165
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-02 May, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The SIP implementation in Cisco TelePresence TC Software 4.x and 5.x and TE Software 4.x and 6.0 allows remote attackers to cause a denial of service (device reload) via crafted SIP packets, aka Bug ID CSCtq72699.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-telepresence_te_softwaretelepresence_tc_softwaren/a
CWE ID-CWE-20
Improper Input Validation
CVE-2014-2158
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-02 May, 2014 | 10:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco TelePresence System MXP Series Software before F9.3.1 allows remote attackers to cause a denial of service (device reload) via crafted SIP packets, aka Bug ID CSCty45720.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-tandberg_880_mxptandberg_550_mxptelepresence_system_edge_85_mxptandberg_990_mxptelepresence_system_codec_3000_mxptelepresence_system_edge_75_mxptelepresence_system_codec_6000_mxptelepresence_system_1700_mxptandberg_2000_mxptelepresence_system_softwaretelepresence_system_1000_mxptelepresence_system_edge_95_mxptandberg_770_mxpn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5475
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.32% / 55.25%
||
7 Day CHG~0.00%
Published-27 Sep, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS 12.2 through 12.4 and 15.0 through 15.3, and IOS XE 2.1 through 3.9, allows remote attackers to cause a denial of service (device reload) via crafted DHCP packets that are processed locally by a (1) server or (2) relay agent, aka Bug ID CSCug31561.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosios_xen/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5478
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-27 Sep, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS 15.0 through 15.3 and IOS XE 3.2 through 3.8, when a VRF interface exists, allows remote attackers to cause a denial of service (interface queue wedge) via crafted UDP RSVP packets, aka Bug ID CSCuf17023.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosios_xen/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5479
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-27 Sep, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The DNS-over-TCP implementation in Cisco IOS 12.2 and 15.0 through 15.3, when NAT is used, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 DNS TCP stream, aka Bug ID CSCtn53730.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5545
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-31 Oct, 2013 | 21:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The PPTP ALG implementation in Cisco IOS XE 3.9 before 3.9.2S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) by sending many PPTP packets over NAT, aka Bug ID CSCuh19936.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-asr_1023_routerios_xeasr_1002-xasr_1002asr_1001asr_1006asr_1004n/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5543
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-31 Oct, 2013 | 21:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS XE 3.4 before 3.4.2S and 3.5 before 3.5.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via malformed ICMP error packets associated with a (1) TCP or (2) UDP session that is under inspection by the Zone-Based Firewall (ZBFW) component, aka Bug ID CSCtt26470.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-asr_1023_routerios_xeasr_1002-xasr_1002asr_1001asr_1006asr_1004n/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5546
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-31 Oct, 2013 | 21:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The TCP reassembly feature in Cisco IOS XE 3.7 before 3.7.3S and 3.8 before 3.8.1S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) via large TCP packets that are processed by the (1) NAT or (2) ALG component, aka Bug ID CSCud72509.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-asr_1023_routerios_xeasr_1002-xasr_1002asr_1001asr_1006asr_1004n/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5476
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-27 Sep, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Zone-Based Firewall (ZFW) feature in Cisco IOS 15.1 through 15.2, when content filtering or HTTP ALG inspection is enabled, allows remote attackers to cause a denial of service (device reload or hang) via crafted IPv4 HTTP traffic, aka Bug ID CSCtx56174.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5537
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.39% / 60.79%
||
7 Day CHG~0.00%
Published-24 Oct, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The web framework on Cisco Web Security Appliance (WSA), Email Security Appliance (ESA), and Content Security Management Appliance (SMA) devices does not properly manage the state of HTTP and HTTPS sessions, which allows remote attackers to cause a denial of service (management GUI outage) via multiple TCP connections, aka Bug IDs CSCuj59411, CSCuf89818, and CSCuh05635.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-content_security_management_applianceweb_security_applianceemail_security_appliance_firmwaren/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5480
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-27 Sep, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The DNS-over-TCP implementation in Cisco IOS 12.2 and 15.0 through 15.3, when NAT is used, allows remote attackers to cause a denial of service (device reload) via a crafted IPv4 DNS TCP stream, aka Bug ID CSCuf28733.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5547
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-31 Oct, 2013 | 21:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS XE 3.9 before 3.9.2S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) by sending malformed EoGRE packets over (1) IPv4 or (2) IPv6, aka Bug ID CSCuf08269.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-asr_1023_routerios_xeasr_1002-xasr_1002asr_1001asr_1006asr_1004n/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-5477
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-27 Sep, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The T1/E1 driver-queue functionality in Cisco IOS 12.2 and 15.0 through 15.3, when an HDLC32 driver is used, allows remote attackers to cause a denial of service (interface queue wedge) via bursty network traffic, aka Bug ID CSCub67465.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-3468
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.91% / 76.42%
||
7 Day CHG~0.00%
Published-29 Aug, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Cisco Unified IP Phone 8945 with software 9.3(2) allows remote attackers to cause a denial of service (device hang) via a malformed PNG file, aka Bug ID CSCud04270.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-unified_ip_phone_firmwareunified_ip_phone_8945n/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-3382
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-26 Jun, 2013 | 19:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Next-Generation Firewall (aka NGFW, formerly CX Context-Aware Security) module 9.x before 9.1.1.9 and 9.1.2.x before 9.1.2.12 for Cisco Adaptive Security Appliances (ASA) devices allows remote attackers to cause a denial of service (device reload or traffic-processing outage) via fragmented (1) IPv4 or (2) IPv6 traffic, aka Bug ID CSCue88387.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-adaptive_security_appliancen/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-3378
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-21 Jun, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco TelePresence TC Software before 6.1 and TE Software before 4.1.3 allow remote attackers to cause a denial of service (temporary device hang) via crafted SIP packets, aka Bug ID CSCuf89557.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-telepresence_te_softwaretelepresence_tc_softwaren/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-1236
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-16 May, 2013 | 01:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco TelePresence Supervisor MSE 8050 before 2.3(1.31) allows remote attackers to cause a denial of service (CPU consumption or device reload) by establishing TCP connections at a high rate, aka Bug IDs CSCuf76076 and CSCuf79763.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-telepresence_supervisor_mse_8050_softwaretelepresence_supervisor_mse_8050n/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-1165
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-11 Apr, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS XE 2.x and 3.x before 3.4.5S, and 3.5 through 3.7 before 3.7.1S, on 1000 series Aggregation Services Routers (ASR) allows remote attackers to cause a denial of service (card reload) by sending many crafted L2TP packets, aka Bug ID CSCtz23293.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-asr_1023_routerios_xeasr_1002_fixed_routerasr_1002-xasr_1002asr_1001asr_1006asr_1004n/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-1166
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-11 Apr, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS XE 3.2 through 3.4 before 3.4.5S, and 3.5 through 3.7 before 3.7.1S, on 1000 series Aggregation Services Routers (ASR), when VRF-aware NAT and SIP ALG are enabled, allows remote attackers to cause a denial of service (card reload) by sending many SIP packets, aka Bug ID CSCuc65609.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-asr_1023_routerios_xeasr_1002_fixed_routerasr_1002-xasr_1002asr_1001asr_1006asr_1004n/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-1181
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.81% / 74.74%
||
7 Day CHG~0.00%
Published-25 Apr, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco NX-OS on Nexus 5500 devices 4.x and 5.x before 5.0(3)N2(2), Nexus 3000 devices 5.x before 5.0(3)U3(2), and Unified Computing System (UCS) 6200 devices before 2.0(1w) allows remote attackers to cause a denial of service (device reload) by sending a jumbo packet to the management interface, aka Bug IDs CSCtx17544, CSCts10593, and CSCtx95389.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-unified_computing_system_infrastructure_and_unified_computing_system_softwarenexus_3064xunified_computing_system_6248up_fabric_interconnectnexus_5596upnexus_5548pnx-osnexus_3016qnexus_3048unified_computing_system_6296up_fabric_interconnectnexus_3548nexus_3064tnexus_5548upn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-1133
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-27 Feb, 2013 | 21:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco Unified Communications Manager (CUCM) 8.6 before 8.6(2a)su2, 8.6 BE3k before 8.6(4) BE3k, and 9.x before 9.0(1) allows remote attackers to cause a denial of service (CPU consumption and GUI and voice outages) via malformed packets to unused UDP ports, aka Bug ID CSCtx43337.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-unified_communications_managern/a
CWE ID-CWE-20
Improper Input Validation
CVE-2013-1184
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.81% / 74.74%
||
7 Day CHG~0.00%
Published-25 Apr, 2013 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The management API in the XML API management service in the Manager component in Cisco Unified Computing System (UCS) 1.x before 1.2(1b) allows remote attackers to cause a denial of service (service outage) via a malformed request, aka Bug ID CSCtg48206.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-unified_computing_system_infrastructure_and_unified_computing_system_softwareunified_computing_system_6248up_fabric_interconnectunified_computing_system_integrated_management_controllerunified_computing_system_6120xp_fabric_interconnectunified_computing_system_6296up_fabric_interconnectunified_computing_system_6140xp_fabric_interconnectn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2012-4623
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.80% / 74.52%
||
7 Day CHG~0.00%
Published-27 Sep, 2012 | 00:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The DHCPv6 server in Cisco IOS 12.2 through 12.4 and 15.0 through 15.2 and IOS XE 2.1.x through 2.6.x, 3.1.xS before 3.1.4S, 3.1.xSG and 3.2.xSG before 3.2.5SG, 3.2.xS, 3.2.xXO, 3.3.xS, and 3.3.xSG before 3.3.1SG allows remote attackers to cause a denial of service (device reload) via a malformed DHCPv6 packet, aka Bug ID CSCto57723.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosios_xen/a
CWE ID-CWE-20
Improper Input Validation
CVE-2018-0298
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.5||HIGH
EPSS-0.67% / 71.81%
||
7 Day CHG~0.00%
Published-21 Jun, 2018 | 11:00
Updated-29 Nov, 2024 | 15:00
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability in the web UI of Cisco FXOS and Cisco UCS Fabric Interconnect Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected system. The vulnerability is due to incorrect input validation in the web UI. An attacker could exploit this vulnerability by sending a malicious HTTP or HTTPS packet directed to the physical management interface of an affected system. A successful exploit could allow the attacker to cause the process to crash and possibly reload the device, resulting in a denial of service (DoS) condition on the affected system. This vulnerability affects Firepower 4100 Series Next-Generation Firewall, Firepower 9300 Security Appliance, UCS 6200 Series Fabric Interconnects, UCS 6300 Series Fabric Interconnects. Cisco Bug IDs: CSCvb61398, CSCvb86799.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-firepower_4150firepower_4140ucs_6120xpucs_6140xpnx-osfirepower_9300_security_applianceucs_6296upucs_6324firepower_4110firepower_4120ucs_6248upfirepower_extensible_operating_systemucs_6332Cisco FXOS Software and UCS Fabric Interconnect unknown
CWE ID-CWE-20
Improper Input Validation
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2012-2488
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.60% / 69.95%
||
7 Day CHG~0.00%
Published-31 May, 2012 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS XR before 4.2.1 on ASR 9000 series devices and CRS series devices allows remote attackers to cause a denial of service (packet transmission outage) via a crafted packet, aka Bug IDs CSCty94537 and CSCtz62593.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-crs_performance_route_processorasr_9000_rsp440_routerios_xrn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2011-4006
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-02 May, 2012 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The ESMTP inspection feature on Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.2 through 8.5 allows remote attackers to cause a denial of service (CPU consumption) via an unspecified closing sequence, aka Bug ID CSCtt32565.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-adaptive_security_appliance_software5500_series_adaptive_security_appliancen/a
CWE ID-CWE-20
Improper Input Validation
CVE-2011-3295
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.60% / 70.08%
||
7 Day CHG~0.00%
Published-02 May, 2012 | 10:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-ios_xrn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2011-2058
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.5||HIGH
EPSS-0.53% / 67.59%
||
7 Day CHG~0.00%
Published-22 Oct, 2011 | 01:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The cat6000-dot1x component in Cisco IOS 12.2 before 12.2(33)SXI7 does not properly handle an external loop between a pair of dot1x enabled ports, which allows remote attackers to cause a denial of service (traffic storm) via unspecified vectors that trigger many unicast EAPoL Protocol Data Units (PDUs), aka Bug ID CSCtq36336.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2010-4679
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.34% / 57.25%
||
7 Day CHG~0.00%
Published-07 Jan, 2011 | 11:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco Adaptive Security Appliances (ASA) 5500 series devices with software before 8.2(3) do not properly handle Online Certificate Status Protocol (OCSP) connection failures, which allows remote OCSP responders to cause a denial of service (TCP socket exhaustion) by rejecting connection attempts, aka Bug ID CSCsz36816.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-adaptive_security_appliance_softwareasa_55005500_series_adaptive_security_appliancen/a
CWE ID-CWE-20
Improper Input Validation
CVE-2010-2827
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-16 Aug, 2010 | 18:25
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Cisco IOS 15.1(2)T allows remote attackers to cause a denial of service (resource consumption and TCP outage) via spoofed TCP packets, related to embryonic TCP connections that remain in the SYN_RCVD or SYN_SENT state, aka Bug ID CSCti18193.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-iosn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2010-2840
Matching Score-10
Assigner-Cisco Systems, Inc.
ShareView Details
Matching Score-10
Assigner-Cisco Systems, Inc.
CVSS Score-7.8||HIGH
EPSS-0.43% / 62.87%
||
7 Day CHG~0.00%
Published-26 Aug, 2010 | 20:00
Updated-29 Apr, 2026 | 01:13
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Presence Engine (PE) service in Cisco Unified Presence 6.x before 6.0(7) and 7.x before 7.0(8) does not properly handle an erroneous Contact field in the header of a SIP SUBSCRIBE message, which allows remote attackers to cause a denial of service (process failure) via a malformed message, aka Bug ID CSCtd39629.

Action-Not Available
Vendor-n/aCisco Systems, Inc.
Product-unified_presence_servern/a
CWE ID-CWE-20
Improper Input Validation
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