CVE-2021-21623

    Dashboard / Vulnerabilities / CVE-2021-21623

    CVE-2021-21623

    Published: 18 Mar 2021Last Modified: 9 Jul 2026

    Summary:

    Details: An incorrect permission check in Jenkins Matrix Authorization Strategy Plugin 2.6.5 and earlier allows attackers with Item/Read permission on nested items to access them, even if they lack Item/Read permission for parent folders.

    References: http://www.openwall.com/lists/oss-security/2021/03/18/5, https://www.jenkins.io/security/advisory/2021-03-18/#SECURITY-2180

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    matrix-auth-2.6.5
    matrix-auth-2.6.4
    matrix-auth-2.6.3
    matrix-auth-2.6.2
    matrix-auth-2.6.1
    matrix-auth-2.6

    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-2021-21623 | CVE-DB