Security features bypass in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2021-39890
Published: October 5, 2021
Vulnerability identifier: #VU57049
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-39890
CWE-ID: CWE-254
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 security features bypass issue. A remote authenticated attacker can bypass 2FA and access some specific pages with Basic Authentication.
Affected software
GitLab Enterprise Edition
Gitlab Community Edition
Gitlab Community Edition
How to mitigate CVE-2021-39890
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 14.1.7, 14.2.5, 14.3.1
Gitlab Community Edition - addressed in versions 14.1.7, 14.2.5, 14.3.1
Gitlab Community Edition - addressed in versions 14.1.7, 14.2.5, 14.3.1