Improper access control in GitLab Enterprise Edition - CVE-2023-6564
Published: December 14, 2023
Vulnerability identifier: #VU84413
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-6564
CWE-ID: CWE-284
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 user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to in projects using subgroups to define who can push and/or merge to protected branches, there may have been instances in which subgroup members with the Developer role were able to push or merge to protected branches.
How to mitigate CVE-2023-6564
Install updates from vendor's website.