Information disclosure in Gitlab Community Edition and GitLab Enterprise Edition - CVE-2021-39905
Published: November 4, 2021
Vulnerability identifier: #VU57933
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-2021-39905
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote authenticated attacker can see basic information on private groups that a public project has been shared with.
Affected software
Gitlab Community Edition
GitLab Enterprise Edition
GitLab Enterprise Edition
How to mitigate CVE-2021-39905
Install updates from vendor's website.
Gitlab Community Edition - addressed in versions 14.2.6, 14.3.4, 14.4.1
GitLab Enterprise Edition - addressed in versions 14.2.6, 14.3.4, 14.4.1
GitLab Enterprise Edition - addressed in versions 14.2.6, 14.3.4, 14.4.1