Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.11 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Under specific condition an unauthorised project member was allowed to delete a protected branches due to a business logic error.
References (3)
Core 3
Core References
Broken Link x_refsource_misc
https://gitlab.com/gitlab-org/gitlab/-/issues/340445
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1318379
Vendor Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39931.json
Scores
CVSS v3
3.1
EPSS
0.0025
EPSS Percentile
48.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Details
Status
published
Products (1)
gitlab/gitlab
8.11.0 - 14.3.6 (2 CPE variants)
Published
Dec 13, 2021
Tracked Since
Feb 18, 2026