CVSS: 8.5EPSS: 0%CPEs: 4EXPL: 0CVE-2021-34594 – Beckhoff: Relative path traversal vulnerability through TwinCAT OPC UA Server
https://notcve.org/view.php?id=CVE-2021-34594
04 Nov 2021 — TwinCAT OPC UA Server in TF6100 and TS6100 in product versions before 4.3.48.0 or with TcOpcUaServer versions below 3.2.0.194 are prone to a relative path traversal that allow administrators to create or delete any files on the system. TwinCAT OPC UA Server en TF6100 y TS6100 en versiones del producto anteriores a 4.3.48.0 o con versiones de TcOpcUaServer anteriores a 3.2.0.194, son propensos a un salto de ruta relativo que permite a administradores crear o eliminar cualquier archivo en el sistema • https://cert.vde.com/en/advisories/VDE-2021-051 • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE-23: Relative Path Traversal •
CVSS: 5.3EPSS: 0%CPEs: 3EXPL: 0CVE-2020-12526 – BECKHOFF: DoS-Vulnerability for TwinCAT OPC UA Server and IPC Diagnostics UA Server
https://notcve.org/view.php?id=CVE-2020-12526
13 May 2021 — TwinCAT OPC UA Server in versions up to 2.3.0.12 and IPC Diagnostics UA Server in versions up to 3.1.0.1 from Beckhoff Automation GmbH & Co. KG are vulnerable to denial of service attacks. The attacker needs to send several specifically crafted requests to the running OPC UA server. After some of these requests the OPC UA server is no longer responsive to any client. This is without effect to the real-time functionality of IPCs. • https://cert.vde.com/en-us/advisories/vde-2020-051 • CWE-20: Improper Input Validation •