Security features bypass in GitLab Enterprise Edition - CVE-2021-39909
Published: November 4, 2021
Vulnerability identifier: #VU57937
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-39909
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GitLab, Inc
Affected software:
GitLab Enterprise Edition
GitLab Enterprise Edition
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to lack of email address ownership verification in the CODEOWNERS feature. A remote authenticated attacker can bypass CODEOWNERS Merge Request approval requirement under rare circumstances.
How to mitigate CVE-2021-39909
Install updates from vendor's website.