CVE-2021-45079

    Dashboard / Vulnerabilities / CVE-2021-45079

    CVE-2021-45079

    Published: 31 Jan 2022Last Modified: 8 Jul 2026

    Summary:

    Details: In strongSwan before 5.9.5, a malicious responder can send an EAP-Success message too early without actually authenticating the client and (in the case of EAP methods with mutual authentication and EAP-only authentication for IKEv2) even without server authentication.

    References: https://www.strongswan.org/blog/2022/01/24/strongswan-vulnerability-%28cve-2021-45079%29.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 5fc278edf3795ce7eb2ff11195797f481ede0d77
    Fixed -57d6e96943ae583367ae47e08edf1c43013f1bdc

    Affected versions

    5.9.5rc1
    5.9.5dr4
    5.9.5dr3
    5.9.5dr2
    5.9.5dr1
    5.9.4
    5.9.4rc1
    5.9.4dr3
    5.9.4dr2
    5.9.4dr1
    5.9.3
    5.9.3rc1
    5.9.3dr4
    5.9.3dr3
    5.9.3dr2
    5.9.3dr1
    5.9.2
    5.9.2rc2
    5.9.2rc1
    5.9.2dr2
    5.9.2dr1
    5.9.1
    5.9.1rc1
    5.9.1dr1
    5.9.0
    5.9.0rc1
    5.9.0dr2
    5.9.0dr1

    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-2021-45079 | CVE-DB