CVE-2021-4191

    Dashboard / Vulnerabilities / CVE-2021-4191

    CVE-2021-4191

    Published: 28 Mar 2022Last Modified: 27 Aug 2026

    Summary:

    Details: An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.

    References: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.json, https://gitlab.com/gitlab-org/gitlab/-/issues/343898, https://hackerone.com/reports/1089609

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- ef3e35341f6a930af2d57979999b71457b9f72a4
    Fixed -2ef3e89df350d5f8ffc802c04c5f19864249d125

    Affected versions

    v14.7.3-ee
    v14.7.2-ee
    v14.7.1-ee
    v14.7.0-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-2021-4191 | CVE-DB