CVE-2021-27434

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-200CWE-674

Affected software

No affected versions have been published.

Timeline

Published
May 20, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-27434: High severity, CVSS 7.5 | Vulnix