CVE-2021-39931

    Dashboard / Vulnerabilities / CVE-2021-39931

    CVE-2021-39931

    Published: 13 Dec 2021Last Modified: 27 Aug 2026

    Summary:

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

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 12dd0f62012c6df8bd67abc2d9c5c54bd82366f7
    Fixed -057790c613dea428aa523357c333ced5433794ee

    Affected versions

    v14.5.1-ee
    v14.5.0-ee

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-39931 | CVE-DB