CVE-2021-39937

    Dashboard / Vulnerabilities / CVE-2021-39937

    CVE-2021-39937

    Published: 13 Dec 2021Last Modified: 27 Aug 2026

    Summary:

    Details: A collision in access memoization logic in all versions of GitLab CE/EE before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, leads to potential elevated privileges in groups and projects under rare circumstances

    References: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39937.json, https://gitlab.com/gitlab-org/gitlab/-/issues/336802

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    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-2021-39937 | CVE-DB