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Vulnerability Details :

CVE-2020-27827

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-18 Mar, 2021 | 00:00
Updated At-04 Aug, 2024 | 16:25
Rejected At-
Credits

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

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:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:18 Mar, 2021 | 00:00
Updated At:04 Aug, 2024 | 16:25
Rejected At:
▼CVE Numbering Authority (CNA)

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

Affected Products
Vendor
n/a
Product
lldp/openvswitch
Versions
Affected
  • lldpd 1.0.8, openvswitch 2.14.1, openvswitch 2.13.2, openvswitch 2.12.2, openvswitch 2.11.5, openvswitch 2.10.6, openvswitch 2.9.8, openvswitch 2.8.10, openvswitch 2.7.12, openvswitch 2.6.9
Problem Types
TypeCWE IDDescription
CWECWE-400CWE-400
Type: CWE
CWE ID: CWE-400
Description: CWE-400
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://bugzilla.redhat.com/show_bug.cgi?id=1921438
N/A
https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
N/A
https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
N/A
https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
N/A
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
vendor-advisory
https://security.gentoo.org/glsa/202311-16
vendor-advisory
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1921438
Resource: N/A
Hyperlink: https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
Resource: N/A
Hyperlink: https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
Resource: N/A
Hyperlink: https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
Resource: N/A
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
Resource:
vendor-advisory
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
Resource:
vendor-advisory
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
Resource:
vendor-advisory
Hyperlink: https://security.gentoo.org/glsa/202311-16
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
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://bugzilla.redhat.com/show_bug.cgi?id=1921438
x_transferred
https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
x_transferred
https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
x_transferred
https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
vendor-advisory
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
vendor-advisory
x_transferred
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
vendor-advisory
x_transferred
https://security.gentoo.org/glsa/202311-16
vendor-advisory
x_transferred
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1921438
Resource:
x_transferred
Hyperlink: https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
Resource:
x_transferred
Hyperlink: https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
Resource:
x_transferred
Hyperlink: https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
Resource:
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
Resource:
vendor-advisory
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
Resource:
vendor-advisory
x_transferred
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
Resource:
vendor-advisory
x_transferred
Hyperlink: https://security.gentoo.org/glsa/202311-16
Resource:
vendor-advisory
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:18 Mar, 2021 | 17:15
Updated At:26 Nov, 2023 | 11:15

A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.

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
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary2.07.1HIGH
AV:N/AC:M/Au:N/C:N/I:N/A:C
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 2.0
Base score: 7.1
Base severity: HIGH
Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:C
CPE Matches
lldpd_project
lldpd_project
>>lldpd>>Versions before 1.0.8(exclusive)
cpe:2.3:a:lldpd_project:lldpd:*:*:*:*:*:*:*:*
openvswitch
openvswitch
>>openvswitch>>Versions from 2.6.0(inclusive) to 2.6.9(exclusive)
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
openvswitch
openvswitch
>>openvswitch>>Versions from 2.7.0(inclusive) to 2.7.12(exclusive)
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
openvswitch
openvswitch
>>openvswitch>>Versions from 2.8.0(inclusive) to 2.8.10(exclusive)
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
openvswitch
openvswitch
>>openvswitch>>Versions from 2.9.0(inclusive) to 2.9.8(exclusive)
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
openvswitch
openvswitch
>>openvswitch>>Versions from 2.10.0(inclusive) to 2.10.6(exclusive)
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
openvswitch
openvswitch
>>openvswitch>>Versions from 2.11.0(inclusive) to 2.11.5(exclusive)
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
openvswitch
openvswitch
>>openvswitch>>Versions from 2.12.0(inclusive) to 2.12.2(exclusive)
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
openvswitch
openvswitch
>>openvswitch>>Versions from 2.13.0(inclusive) to 2.13.2(exclusive)
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
openvswitch
openvswitch
>>openvswitch>>Versions from 2.14.0(inclusive) to 2.14.1(exclusive)
cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>openshift_container_platform>>4.0
cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>openstack>>10
cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>openstack>>13
cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>virtualization>>4.0
cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>7.0
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>8.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Fedora Project
fedoraproject
>>fedora>>33
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_hmi_unified_comfort_panels_firmware>>Versions before 17(exclusive)
cpe:2.3:o:siemens:simatic_hmi_unified_comfort_panels_firmware:*:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_hmi_unified_comfort_panels>>-
cpe:2.3:h:siemens:simatic_hmi_unified_comfort_panels:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1243-1_firmware>>-
cpe:2.3:o:siemens:simatic_net_cp_1243-1_firmware:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1243-1>>-
cpe:2.3:h:siemens:simatic_net_cp_1243-1:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1243-8_irc_firmware>>-
cpe:2.3:o:siemens:simatic_net_cp_1243-8_irc_firmware:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1243-8_irc>>-
cpe:2.3:h:siemens:simatic_net_cp_1243-8_irc:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1542sp-1_firmware>>-
cpe:2.3:o:siemens:simatic_net_cp_1542sp-1_firmware:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1542sp-1>>-
cpe:2.3:h:siemens:simatic_net_cp_1542sp-1:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1542sp-1_irc_firmware>>-
cpe:2.3:o:siemens:simatic_net_cp_1542sp-1_irc_firmware:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1542sp-1_irc>>-
cpe:2.3:h:siemens:simatic_net_cp_1542sp-1_irc:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1543-1_firmware>>-
cpe:2.3:o:siemens:simatic_net_cp_1543-1_firmware:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1543-1>>-
cpe:2.3:h:siemens:simatic_net_cp_1543-1:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1543sp-1_firmware>>-
cpe:2.3:o:siemens:simatic_net_cp_1543sp-1_firmware:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1543sp-1>>-
cpe:2.3:h:siemens:simatic_net_cp_1543sp-1:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1545-1_firmware>>-
cpe:2.3:o:siemens:simatic_net_cp_1545-1_firmware:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>simatic_net_cp_1545-1>>-
cpe:2.3:h:siemens:simatic_net_cp_1545-1:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>tim_1531_irc_firmware>>Versions before 2.2(exclusive)
cpe:2.3:o:siemens:tim_1531_irc_firmware:*:*:*:*:*:*:*:*
Siemens AG
siemens
>>tim_1531_irc>>-
cpe:2.3:h:siemens:tim_1531_irc:-:*:*:*:*:*:*:*
Siemens AG
siemens
>>sinumerik_one_firmware>>Versions before 2.0.1(exclusive)
cpe:2.3:o:siemens:sinumerik_one_firmware:*:*:*:*:*:*:*:*
Siemens AG
siemens
>>sinumerik_one>>-
cpe:2.3:h:siemens:sinumerik_one:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-400Primarysecalert@redhat.com
CWE ID: CWE-400
Type: Primary
Source: secalert@redhat.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://bugzilla.redhat.com/show_bug.cgi?id=1921438secalert@redhat.com
Issue Tracking
Mitigation
Patch
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdfsecalert@redhat.com
Patch
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/secalert@redhat.com
N/A
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/secalert@redhat.com
N/A
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/secalert@redhat.com
N/A
https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.htmlsecalert@redhat.com
Mailing List
Mitigation
Vendor Advisory
https://security.gentoo.org/glsa/202311-16secalert@redhat.com
N/A
https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07secalert@redhat.com
Third Party Advisory
US Government Resource
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1921438
Source: secalert@redhat.com
Resource:
Issue Tracking
Mitigation
Patch
Third Party Advisory
Hyperlink: https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
Source: secalert@redhat.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
Source: secalert@redhat.com
Resource:
Mailing List
Mitigation
Vendor Advisory
Hyperlink: https://security.gentoo.org/glsa/202311-16
Source: secalert@redhat.com
Resource: N/A
Hyperlink: https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
Source: secalert@redhat.com
Resource:
Third Party Advisory
US Government Resource

Change History

0
Information is not available yet

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