ZDI-CAN-20505: ZDI-23-548: (Pwn2Own) OPC Foundation UA .NET Standard ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability

First published: Thu May 04 2023(Updated: )

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of OPC Foundation UA .NET Standard. Authentication is not required to exploit this vulnerability.

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• collector/zdi-published
• alias/ZDI-CAN-20505
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• source/ZDI
• alias/ZDI-23-548
• alias/CVE-2023-27321
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• vendor/opc foundation
• canonical/opc foundation ua .net standard