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CVE-2023-31048 — Exposure of Sensitive Information in...

MEDIUM

Exposure of Sensitive Information in OPC UA .NET Standard Reference Server

Published May 5, 2023Updated October 9, 2024Source: osv

Summary

This security update resolves a vulnerability in the OPC UA .NET Standard Reference Server that allows remote attackers to send malicious requests that expose sensitive information. https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-31048.pdf

Advisory Timeline

  • First published May 5, 2023 (1256 days ago).
  • Last revised October 9, 2024 — 524 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update OPCFoundation.NetStandard.Opc.Ua.Core to 1.4.371.86 or later
dotnet add package OPCFoundation.NetStandard.Opc.Ua.Core --version 1.4.371.86
NuGet
Update OPCFoundation.NetStandard.Opc.Ua.Server to 1.4.371.86 or later
dotnet add package OPCFoundation.NetStandard.Opc.Ua.Server --version 1.4.371.86

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: nuget (2).

PackageEcosystemAffectedFixed In
OPCFoundation.NetStandard.Opc.Ua.Core
nuget
0.0.3, 0.0.6, 0.0.7, 0.0.8 (+45 more)1.4.371.86
OPCFoundation.NetStandard.Opc.Ua.Server
nuget
1.4.363.104-preview, 1.4.363.107, 1.4.364.40, 1.4.365-gfc341ee8c5 (+26 more)1.4.371.86

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 5.3 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Frequently Asked Questions

What is CVE-2023-31048?
Exposure of Sensitive Information in OPC UA .NET Standard Reference Server This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 5.3/10).
How do I check if my project is affected by CVE-2023-31048?
CVE-2023-31048 affects OPCFoundation.NetStandard.Opc.Ua.Core and OPCFoundation.NetStandard.Opc.Ua.Server. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2023-31048 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
5.3

Exploitation requires specific conditions or has limited impact. Remediate within weeks.

Also Known As

GHSA-4cvp-hr63-822j

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