https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-09-29T21:31:21.671125+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2021-27434 CVE-2021-27434 2026-09-29T21:31:21.673694+00:00

Affected: OPC UA Products Built with the .NET Framework 4.5, 4.0, and 3.5

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.

 https://vulnerability.circl.lu/vuln/icsa-21-133-04 ICSA-21-133-04 — OPC UA Products Built with the .NET Framework 4.5, 4.0, and 3.5 2026-09-29T21:31:21.673803+00:00

The OPC UA .NET Framework can expose sensitive information to an actor who is not authorized to have access.CVE-2021-27434 has been assigned to this vulnerability. A CVSS v3 base score of 7.2 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:L).