CVE-2021-39931 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Reference

https://gitlab.com/gitlab-org/gitlab/-/issues/340445 https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39931.json https://hackerone.com/reports/1318379

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

NONE

Base Severity

4.3