CVE-2021-34594

Beckhoff: Relative path traversal vulnerability through TwinCAT OPC UA Server

State: Published
Severity: 6.5 Medium
Published: Nov 4, 2021
Updated: Sep 16, 2024
Reserved: Jun 10, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H	CERTVDE

Weaknesses

CWE-23 Relative Path Traversal

Affected Products

Product	Versions
TwinCAT OPC UA ServerBeckhoff Automation	TF6100 to before 4.3.48.0Affected TS6100 to before 4.3.48.0Affected TcOpcUaServer version to before 3.2.0.19423Affected

References

https://cert.vde.com/en/advisories/VDE-2021-051/

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