What is CVE-2021-34594?

CVE-2021-34594 is a medium-severity vulnerability in Beckhoff Tf6100, classified under Relative Path Traversal. CVSS score: 6.5/10. Published 2021-11-04.

How severe is CVE-2021-34594?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Beckhoff Tf6100

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.

EPSS: 0.011 (62.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H.

Affected products

Beckhoff Tf6100
Beckhoff Tf6100_firmware
Beckhoff Ts6100
Beckhoff Ts6100_firmware
Beckhoff Automation Twincat Opc Ua Server — versions TF6100, TS6100, TcOpcUaServer version

Weakness classification (CWE)

References

info@cert.vde.com (x_refsource_CONFIRM, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2021-34594?: CVE-2021-34594 is a medium-severity vulnerability in Beckhoff Tf6100, classified under Relative Path Traversal. CVSS score: 6.5/10. Published 2021-11-04.
How severe is CVE-2021-34594?: Medium severity. CVSS v3 base score is 6.5 out of 10.