CVE-2023-32171

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.

• CWE-476

• https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txtRelease Notes
• https://www.zerodayinitiative.com/advisories/ZDI-23-776/Third Party Advisory
• https://documentation.unified-automation.com/uagateway/1.5.14/CHANGELOG.txtRelease Notes
• https://www.zerodayinitiative.com/advisories/ZDI-23-776/Third Party Advisory

Published

May 3, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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