UBUNTU-CVE-2021-39891

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    UBUNTU-CVE-2021-39891

    Published: 5 Oct 2021Last Modified: 24 Oct 2025
    Upstream:
    CVE-2021-39891

    Summary:

    Details: In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.

    References: https://ubuntu.com/security/CVE-2021-39891, https://gitlab.com/gitlab-org/gitlab/-/issues/335137, https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39891.json, https://www.cve.org/CVERecord?id=CVE-2021-39891

    Affected packages

    Package

    Name: gitlab

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-5?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    8.4.3+dfsg-9
    8.4.3+dfsg-12

    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
    UBUNTU-CVE-2021-39891 | CVE-DB