Executive Summary

Informations
Name CVE-2021-36980 First vendor Publication 2021-07-20
Vendor Cve Last vendor Modification 2023-11-26

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36980

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 12

Sources (Detail)

https://security.gentoo.org/glsa/202311-16
Source Url
MISC https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openvswitch/OSV-2020...
https://github.com/openvswitch/ovs/commit/38744b1bcb022c611712527f03972211530...
https://github.com/openvswitch/ovs/commit/65c61b0c23a0d474696d7b1cea522a5016a...
https://github.com/openvswitch/ovs/commit/6d67310f4d2524b466b98f05ebccc1add1e...
https://github.com/openvswitch/ovs/commit/77cccc74deede443e8b9102299efc869a52...
https://github.com/openvswitch/ovs/commit/8ce8dc34b5f73b30ce0c1869af9947013c3...
https://github.com/openvswitch/ovs/commit/9926637a80d0d243dbf9c49761046895e9d...

Alert History

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Date Informations
2023-11-26 17:27:56
  • Multiple Updates
2022-09-02 02:04:03
  • Multiple Updates
2021-07-29 00:23:00
  • Multiple Updates
2021-07-20 17:22:47
  • Multiple Updates
2021-07-20 13:22:49
  • First insertion