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Vulnerability Details :

CVE-2021-1244

Summary
Assigner-cisco
Assigner Org ID-d1c1063e-7a18-46af-9102-31f8928bc633
Published At-04 Feb, 2021 | 16:35
Updated At-08 Nov, 2024 | 23:53
Rejected At-
Credits

Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Image Verification Vulnerabilities

Multiple vulnerabilities in Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local attacker to execute unsigned code during the boot process on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

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:04 Feb, 2021 | 16:35
Updated At:08 Nov, 2024 | 23:53
Rejected At:
▼CVE Numbering Authority (CNA)
Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Image Verification Vulnerabilities

Multiple vulnerabilities in Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local attacker to execute unsigned code during the boot process on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

Affected Products
Vendor
Cisco Systems, Inc.Cisco
Product
Cisco IOS XR Software
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
CWECWE-347CWE-347
Type: CWE
CWE ID: CWE-347
Description: CWE-347
Metrics
VersionBase scoreBase severityVector
3.16.7MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxr-l-zNhcGCBt
vendor-advisory
x_refsource_CISCO
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxr-l-zNhcGCBt
Resource:
vendor-advisory
x_refsource_CISCO
▼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
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxr-l-zNhcGCBt
vendor-advisory
x_refsource_CISCO
x_transferred
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxr-l-zNhcGCBt
Resource:
vendor-advisory
x_refsource_CISCO
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:04 Feb, 2021 | 17:15
Updated At:07 Nov, 2023 | 03:27

Multiple vulnerabilities in Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local attacker to execute unsigned code during the boot process on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

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
Primary3.16.7MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Secondary3.16.7MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary2.04.6MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
Type: Primary
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 4.6
Base severity: MEDIUM
Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CPE Matches

Cisco Systems, Inc.
cisco
>>ios_xr>>Versions before 7.0.12(exclusive)
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ios_xr>>Versions from 7.1.0(inclusive) to 7.2.1(exclusive)
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8201>>-
cpe:2.3:h:cisco:8201:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8202>>-
cpe:2.3:h:cisco:8202:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8808>>-
cpe:2.3:h:cisco:8808:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8812>>-
cpe:2.3:h:cisco:8812:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>8818>>-
cpe:2.3:h:cisco:8818:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ios_xr>>Versions before 7.2.1(exclusive)
cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>ncs_540>>-
cpe:2.3:h:cisco:ncs_540:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-347Primaryykramarz@cisco.com
CWE ID: CWE-347
Type: Primary
Source: ykramarz@cisco.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxr-l-zNhcGCBtykramarz@cisco.com
Vendor Advisory
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ioxr-l-zNhcGCBt
Source: ykramarz@cisco.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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