CVE-2021-34594
6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Exploitability: 1.2 / Impact: 5.2
Source: NVD
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 (2)
Products: Beckhoff: Tf6100 Firmware, Ts6100 Firmware
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 4.3.48.0 |
| Running on/with | Platform Versions |
|---|---|
Beckhoff Tf6100 | All versions |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Before 4.3.48.0 |
| Running on/with | Platform Versions |
|---|---|
Beckhoff Ts6100 | All versions |
Related CWEs
CWE-22
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CWE-23
Relative Path Traversal
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.
References (2)
Source: info@cert.vde.com
MitigationThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
MitigationThird Party Advisory
Timeline
No history available yet.