CVE-2021-34594mediumCWE-23

CVE-2021-34594: medium-severity vulnerability in Beckhoff Automation TwinCAT OPC UA Server

Beckhoff: Relative path traversal vulnerability through TwinCAT OPC UA Server

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 1.1%
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.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Affected products
Beckhoff Automation · TwinCAT OPC UA Server