8.5

CVE-2021-34594

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Beckhoff ≫ Tf6100 Firmware Version < 4.3.48.0
   Beckhoff ≫ Tf6100 Version-
Beckhoff ≫ Ts6100 Firmware Version < 4.3.48.0
   Beckhoff ≫ Ts6100 Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.57% 0.677
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 1.2 5.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
nvd@nist.gov 8.5 8 9.2
AV:N/AC:L/Au:S/C:N/I:C/A:C
info@cert.vde.com 6.5 1.2 5.2
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
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.

https://cert.vde.com/en/advisories/VDE-2021-051/
Third Party Advisory
Mitigation