Improper Certificate Validation in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2021-22218
Published: June 14, 2021
Vulnerability identifier: #VU54096
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-22218
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to improper handling of x509 certificates. A remote authenticated attacker can spoof author of signed commits.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Arch Linux
Gitlab Community Edition
Arch Linux
How to mitigate CVE-2021-22218
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 13.10.5, 13.11.5, 13.12.2
Gitlab Community Edition - addressed in versions 13.10.5, 13.11.5, 13.12.2
Gitlab Community Edition - addressed in versions 13.10.5, 13.11.5, 13.12.2