Stack Overflow Vulnerability in Unified Automation .NET based OPC UA Client/Server SDK Bundle

CVE-2021-27434 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Products with Unified Automation .NET based OPC UA Client/Server SDK Bundle: Versions V3.0.7 and prior (.NET 4.5, 4.0, and 3.5 Framework versions only) are vulnerable to an uncontrolled recursion, which may allow an attacker to trigger a stack overflow.

Learn more about our Cis Benchmark Audit For Server Software.