Improper Authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2021-22237

 

Improper Authorization in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2021-22237

Published: August 10, 2021


Vulnerability identifier: #VU55734
CSH Severity: Medium
CVSS v4: 7.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-22237
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to improper handling of impersonation tokens. Under specialized conditions, GitLab may allow a user with an impersonation token to perform Git actions even if impersonation is disabled.


Affected software

GitLab Enterprise Edition
Gitlab Community Edition

How to mitigate CVE-2021-22237

Install updates from vendor's website.

GitLab Enterprise Edition - addressed in versions 13.12.9, 14.0.7, 14.1.2
Gitlab Community Edition - addressed in versions 13.12.9, 14.0.7, 14.1.2

External References

Related Security Bulletins