CVE-2021-27434

State: Published
Severity: Not scored
Published: May 20, 2021
Updated: Aug 3, 2024
Reserved: Feb 19, 2021

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-200 EXPOSURE OF SENSITIVE INFORMATION TO AN UNAUTHORIZED ACTOR CWE-200

Affected Products

Product	Versions
OPC UA Products Built with the .NET Framework 4.5, 4.0, and 3.5n/a	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)Affected

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-133-04

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.