CVE-2020-29457

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    CVE-2020-29457

    Published: 16 Feb 2021Last Modified: 8 Jul 2026

    Summary:

    Details: A Privilege Elevation vulnerability in OPC UA .NET Standard Stack 1.4.363.107 could allow a rogue application to establish a secure connection.

    References: https://github.com/OPCFoundation/UA-.NETStandard, https://www.nuget.org/packages/OPCFoundation.NetStandard.Opc.Ua/, https://opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2020-29457.pdf

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -2e6263e19a9b90b3c53bce2118850244dcf2eb7f

    Affected versions

    1.4.365.2
    1.4.363.49
    1.4.362.42
    1.4.361.39
    1.4.360.33
    1.4.359.31
    1.4.358.30
    1.4.357.28
    1.4.356.27
    1.4.355.26

    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-2020-29457 | CVE-DB