Improper access control in GitLab Enterprise Edition - CVE-2021-39916
Published: December 9, 2021
Vulnerability identifier: #VU58780
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-39916
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 in the External Status Check feature. A remote authenticated attacker can bypass implemented security restrictions and retrieve the configuration of any External Status Check.
Affected software
GitLab Enterprise Edition
How to mitigate CVE-2021-39916
Install updates from vendor's website.
GitLab Enterprise Edition - addressed in versions 14.3.6, 14.4.4, 14.5.2