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CVE-2021-36980

Published: Jul 20, 2021Updated: May 5, 2025 Sources: CVE List NVD BDUCWE-416
5.5MEDIUM
NVD MITRE
EPSS Score
1.2%
Top 35.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Open vSwitch (aka openvswitch) 2.11.0 through 2.15.0 has a use-after-free in decode_NXAST_RAW_ENCAP (called from ofpact_decode and ofpacts_decode) during the decoding of a RAW_ENCAP action.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

Novell Inc.
commercial·US
SUSE Linux Enterprise Server for SAP ApplicationsOn-premOS
Operating Systems / linux-distro
OpenSUSE LeapOn-premOS
Operating Systems / linux-distro
Suse Linux Enterprise DesktopOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
Debian GNU/LinuxOn-premOS
Operating Systems / linux-distro
Open vSwitchOn-prem
Networking Infrastructure / network-management
Red Hat Inc.
commercial·USaka red hat
Red Hat OpenShift Container PlatformOn-prem
Operating Systems / linux-distro
Fast DatapathOn-prem
Operating Systems / linux-distro
Canonical Ltd.
commercial·GBaka canonical
UbuntuOn-premOS
Operating Systems / linux-distro
openvswitch
oss-projectaka ovs
openvswitchOn-prem
Networking Infrastructure / router-switch
and 2 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://www.cybersecurity-help.cz/vdb/SB2023040729
cybersecurity-help.cz
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851
bugs.chromium.org
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml
github.com
and 21 more references View all →

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