CVE-2023-31048: Opcfoundation Ua-.netstandard

Medium severity, CVSS 5.3. EPSS: 0.8% chance of exploitation in the next 30 days.

The OPC UA .NET Standard Reference Server before 1.4.371.86. places sensitive information into an error message that may be seen remotely.

Affected products

• Opcfoundation Ua-.netstandard: before 1.4.371.86 (fixed in 1.4.371.86)

Published 2023-12-12. Last modified 2026-06-17.