CVE-2021-22218

    Dashboard / Vulnerabilities / CVE-2021-22218

    CVE-2021-22218

    Published: 8 Jun 2021Last Modified: 27 Aug 2026

    Summary:

    Details: All versions of GitLab CE/EE starting from 12.8 before 13.10.5, all versions starting from 13.11 before 13.11.5, and all versions starting from 13.12 before 13.12.2 were affected by an issue in the handling of x509 certificates that could be used to spoof author of signed commits.

    References: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22218.json, https://gitlab.com/gitlab-org/gitlab/-/issues/297665, https://hackerone.com/reports/1077019

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0bd32f788647bb832f3d9eb5746cbda5300e0fa2
    Fixed -7327f6c9bf4fa71bc518992f995cc7648c102c07

    Affected versions

    v13.11.4-ee
    v13.11.3-ee
    v13.11.1-ee
    v13.11.0-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-2021-22218 | CVE-DB