What is the CVSS score of CVE-2021-34594?

CVE-2021-34594 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H. EPSS exploitation probability: 1.1%.

Tf6100 Firmware CVE-2021-34594

MEDIUM

Relative Path Traversal (CWE-23)

2021-11-04 info@cert.vde.com

Path Traversal Tf6100 Firmware Ts6100 Firmware

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 04, 2021 - 10:15 nvd

MEDIUM 6.5

DescriptionNVD

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.

AnalysisAI

Technical ContextAI

This vulnerability is classified under CWE-23. 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 products include: Beckhoff Tf6100 Firmware, Beckhoff Ts6100 Firmware. Version information: before 4.3.48.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.