CVE-2021-36980
Open vSwitch Use-After-Free Vulnerability
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.
INFO
Published Date :
July 20, 2021, 7:15 a.m.
Last Modified :
Nov. 26, 2023, 11:15 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-36980.
| URL | Resource |
|---|---|
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851 | Patch Third Party Advisory |
| https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml | Third Party Advisory |
| https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f | Patch Third Party Advisory |
| https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3 | Patch Third Party Advisory |
| https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35 | Patch Third Party Advisory |
| https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2 | Patch Third Party Advisory |
| https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575 | Patch Third Party Advisory |
| https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2 | Patch Third Party Advisory |
| https://security.gentoo.org/glsa/202311-16 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-36980 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-36980 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 26, 2023
Action Type Old Value New Value Added Reference MITRE https://security.gentoo.org/glsa/202311-16 [No types assigned] -
Initial Analysis by [email protected]
Jul. 28, 2021
Action Type Old Value New Value Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism Added CVSS V2 NIST (AV:N/AC:M/Au:N/C:N/I:N/A:P) Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Changed Reference Type https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851 No Types Assigned https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851 Patch, Third Party Advisory Changed Reference Type https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml No Types Assigned https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020-2197.yaml Third Party Advisory Changed Reference Type https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f No Types Assigned https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f039722115300f58f Patch, Third Party Advisory Changed Reference Type https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3 No Types Assigned https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a8aeb3 Patch, Third Party Advisory Changed Reference Type https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35 No Types Assigned https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e8cf35 Patch, Third Party Advisory Changed Reference Type https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2 No Types Assigned https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52b65b2 Patch, Third Party Advisory Changed Reference Type https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575 No Types Assigned https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3c6575 Patch, Third Party Advisory Changed Reference Type https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2 No Types Assigned https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d1a8e2 Patch, Third Party Advisory Added CWE NIST CWE-416 Added CPE Configuration OR *cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:* versions from (including) 2.11.0 up to (including) 2.15.0
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-36980 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-36980
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.15 }} 0.02%
score
0.50226
percentile