CVE-2021-39941
LOWGitLab 12.0-14.3.6, 14.4-14.4.4, 14.5-14.5.2 - Unauthenticated Exposure of Sensitive Information via Default Branch Name
Title source: llmDescription
An information disclosure vulnerability in GitLab CE/EE versions 12.0 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed non-project members to see the default branch name for projects that restrict access to the repository to project members
References (3)
Core 3
Core References
Broken Link x_refsource_misc
https://gitlab.com/gitlab-org/gitlab/-/issues/33864
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/706361
Third Party Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39941.json
Scores
CVSS v3
3.7
EPSS
0.0029
EPSS Percentile
52.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (1)
gitlab/gitlab
12.0.0 - 14.3.6 (2 CPE variants)
Published
Dec 13, 2021
Tracked Since
Feb 18, 2026