CVE-2020-15078

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    CVE-2020-15078

    Published: 26 Apr 2021Last Modified: 8 Jul 2026

    Summary:

    Details: OpenVPN 2.5.1 and earlier versions allows a remote attackers to bypass authentication and access control channel data on servers configured with deferred authentication, which can be used to potentially trigger further information leaks.

    References: https://community.openvpn.net/openvpn/wiki/SecurityAnnouncements, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GJUXEYHUPREEBPX23VPEKMFXUPVO3PMU/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JGEGLC4YGBDN5CGHTNWN2GH6DJJA36T2/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PLDB3OBQ3AODYYRN7NRCABV6I4AUFAT6/, https://lists.debian.org/debian-lts-announce/2022/05/msg00002.html, https://security.gentoo.org/glsa/202105-25, https://usn.ubuntu.com/usn/usn-4933-1, https://community.openvpn.net/openvpn/wiki/CVE-2020-15078

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -092734634796e9637920e029fea716afc146cd82

    Affected versions

    v2.5.1
    v2.5.0

    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-2020-15078 | CVE-DB