Security features bypass in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39890
Published: October 5, 2021
Vulnerability identifier: #VU57049
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-39890
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GitLab, Inc
Affected software:
Gitlab Community Edition
GitLab Enterprise Edition
Gitlab Community Edition
GitLab Enterprise Edition
Detailed vulnerability description
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.
How to mitigate CVE-2021-39890
Install updates from vendor's website.