CVEvulnerability

CVE-2021-34594

6.5 MEDIUM Published 2021-11-04 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-11-04
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
CVSS 2.0 ([email protected])
8.5 HIGH — AV:N/AC:L/Au:S/C:N/I:C/A:C
Weaknesses
CWE-22, CWE-23

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 configurations

• beckhoff tf6100 firmware (< 4.3.48.0) • beckhoff ts6100 firmware (< 4.3.48.0)

Related

Weakness · CWE (2)

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory weakness
  • CWE-23 Relative Path Traversal weakness

References