CVE-2021-20718

    Dashboard / Vulnerabilities / CVE-2021-20718

    CVE-2021-20718

    Published: 20 May 2021Last Modified: 8 Jul 2026

    Summary:

    Details: mod_auth_openidc 2.4.0 to 2.4.7 allows a remote attacker to cause a denial-of-service (DoS) condition via unspecified vectors.

    References: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5HJK366TLFEOIYWTHQSZO24MSDPBXHJU/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FV4KYMQWPS3I2QPW2C253MLIAFGBZPLK/, https://jvn.jp/en/jp/JVN49704918/index.html, https://www.oracle.com/security-alerts/cpujan2022.html, https://www.zmartzone.eu/, https://github.com/zmartzone/mod_auth_openidc

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 7783ea7e9dd69a99ddb0221af1935624d1841f51
    Fixed -None

    Affected versions

    v2.4.7
    v2.4.6
    v2.4.5
    v2.4.4.1
    v2.4.4
    v2.4.3
    v2.4.2.1
    v2.4.2
    v2.4.1
    v2.4.0.4
    v2.4.0.3
    v2.4.0.2
    v2.4.0.1
    v2.4.0

    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-2021-20718 | CVE-DB