CVE-2023-31048: Exposure of Sensitive Information in OPC UA .NET Standard Reference Server

Quick answers

Is CVE-2023-31048 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2023-31048 being exploited in the wild.

How severe is CVE-2023-31048?

Low severity, with a CVSS score of 3.1, published 5 May 2023.

Which products and versions are affected?

OPCFoundation.NetStandard.Opc.Ua.Core (NuGet) ECOSYSTEM:introduced=0,fixed=1.4.371.86; OPCFoundation.NetStandard.Opc.Ua.Server (NuGet) ECOSYSTEM:introduced=0,fixed=1.4.371.86.

Is there a fix for CVE-2023-31048?

Yes. OPCFoundation.NetStandard.Opc.Ua.Core (NuGet): upgrade to 1.4.371.86 or later; OPCFoundation.NetStandard.Opc.Ua.Server (NuGet): upgrade to 1.4.371.86 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Am I affected by CVE-2023-31048?

Check whether you run OPCFoundation.NetStandard.Opc.Ua.Core (NuGet) or OPCFoundation.NetStandard.Opc.Ua.Server (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

• OPCFoundation.NetStandard.Opc.Ua.Core (NuGet): upgrade to 1.4.371.86 or later

  dotnet add package OPCFoundation.NetStandard.Opc.Ua.Core --version 1.4.371.86

• OPCFoundation.NetStandard.Opc.Ua.Server (NuGet): upgrade to 1.4.371.86 or later

  dotnet add package OPCFoundation.NetStandard.Opc.Ua.Server --version 1.4.371.86

Affected products

• OPCFoundation.NetStandard.Opc.Ua.Core (NuGet) ECOSYSTEM:introduced=0,fixed=1.4.371.86
• OPCFoundation.NetStandard.Opc.Ua.Server (NuGet) ECOSYSTEM:introduced=0,fixed=1.4.371.86

Identifiers

• CVE-2023-31048
• GHSA-4cvp-hr63-822j