Security features bypass in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39871
Published: October 5, 2021
Vulnerability identifier: #VU57044
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-39871
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 bypass security features on the system.
The vulnerability exists due to a security features bypass in an instance that has the setting to disable Bitbucket Server import enabled. A remote authenticated attacer can make a crafted API call.
How to mitigate CVE-2021-39871
Install updates from vendor's website.