Beckhoff Twincat Opc Ua Server vulnerabilities

1 vulnerability

Known vulnerabilities in Beckhoff Twincat Opc Ua Server, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

5.3CVE-2020-12526beckhoffipc_diagnostics_ua_server+2
EPSS score
0.95%
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.