CVE-2022-37013: Unified-Automation Opc Ua C++ Demo Server

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation OPC UA C++ Demo Server 1.7.6-537 [with vendor rollup]. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of certificates. A crafted certificate can force the server into an infinite loop. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-17203.

Affected products

Published 2023-03-29. Last modified 2026-06-17.