Improper Authorization in GitLab Enterprise Edition - CVE-2021-39943
Published: February 4, 2022
Vulnerability identifier: #VU60315
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-39943
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authorization checks.
The vulnerability exists due to an authorization logic error in the External Status Check API. A remote authenticated attacker can update the status of the check via an API call.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2021-39943
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 14.3.6, 14.4.4, 14.5.2