Most recent entries from all

bdu:2022-02137

cnvd-2021-39139

EUVD-2026-25550

fkie_cve-2021-27434

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.

GHSA-43g9-fmq9-jjpm

gsd-2021-27434

ICSA-21-133-04 — OPC UA Products Built with the .NET Framework 4.5, 4.0, and 3.5

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).

VDE-2021-008 — Beckhoff: Stack Overflow and XXE vulnerability in various OPC UA products

The affected products can act as OPC UA client or server and are vulnerable to two different kind of attacks via the OPC UA protocol. For both cases the attacker can send packets via the OPC UA protocol without the need to authenticate and

1. provoke a stack overflow resulting in denial of service of the product or 2. make the product disclose information to the attacker without authorization.