Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Beckhoff Automation | TwinCAT OPC UA Server | TF6100 – < 4.3.48.0, TS6100 – < 4.3.48.0, TcOpcUaServer version – < 3.2.0.19423 | 4.3.48.0 |
Advisories 1
- VDE-2021-051 Beckhoff: Relative path traversal vulnerability through TwinCAT OPC UA Server CERT@VDE · May 22, 2025