Improper access control in GitLab Enterprise Edition - CVE-2023-6396
Published: December 1, 2023
Vulnerability identifier: #VU83608
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-6396
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote user with admin_group_member custom permission can add members with higher role.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2023-6396
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 16.5.3, 16.6.1