CVE-2023-32171: Unified-Automation Uagateway

Medium severity, CVSS 6.5. EPSS: 1.4% chance of exploitation in the next 30 days.

Unified Automation UaGateway OPC UA Server Null Pointer Dereference Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Unified Automation UaGateway. Authentication is required to exploit this vulnerability. The specific flaw exists within the ImportCsv method. A crafted XML payload can cause a null pointer dereference. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20495.

Affected products

• Unified-Automation Uagateway: before 1.5.13.487 (fixed in 1.5.13.487)

Published 2024-05-03. Last modified 2026-06-17.