Incorrect Implementation of Authentication Algorithm. Affecting Open this link in a new tab package, versions [,1.4.368.58)

  • Attack Complexity


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  • snyk-id


  • published

    19 Jun 2022

  • disclosed

    17 Jun 2022

  • credit

    Daan Keuper, Thijs Alkemade

How to fix?

Upgrade OPCFoundation.NetStandard.Opc.Ua to version 1.4.368.58 or higher.


OPCFoundation.NetStandard.Opc.Ua is a package that contains the OPC UA reference implementation and is targeting the .NET Standard Library.

Affected versions of this package are vulnerable to Incorrect Implementation of Authentication Algorithm. due to incorrect implementation of the authentication algorithm in OPCFoundation.NetStandard.Opc.Ua. This vulnerability allows a malicious client or server to bypass the application authentication mechanism and allow connecting to an untrusted peer.