Improper access control in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2021-39897

 

Improper access control in GitLab Enterprise Edition and Gitlab Community Edition - CVE-2021-39897

Published: November 4, 2021


Vulnerability identifier: #VU57940
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-39897
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 authenticated attacker can still have access even after the subgroup is transferred.


Affected software

GitLab Enterprise Edition
Gitlab Community Edition

How to mitigate CVE-2021-39897

Install updates from vendor's website.

GitLab Enterprise Edition - addressed in versions 14.2.6, 14.3.4, 14.4.1
Gitlab Community Edition - addressed in versions 14.2.6, 14.3.4, 14.4.1

External References

Related Security Bulletins