CVE-2023-41151: Softing Opc

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An uncaught exception issue discovered in Softing OPC UA C++ SDK before 6.30 for Windows operating system may cause the application to crash when the server wants to send an error packet, while socket is blocked on writing.

Affected products

• Softing Opc: up to and including 5.30
• Softing Opc Ua C++ Software Development Kit: up to and including 6.20.1
• Softing Secure Integration Server: up to and including 1.22

Published 2023-12-14. Last modified 2026-06-17.