CVE-2021-34594 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00568.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Beckhoff Automation

TwinCAT OPC UA Server

affected

Version	Status	Constraints
`TF6100`	affected	< 4.3.48.0
`TS6100`	affected	< 4.3.48.0
`TcOpcUaServer version`	affected	< 3.2.0.19423

Configuration 1 [-]

AND

cpe:2.3:o:beckhoff:tf6100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:beckhoff:tf6100:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:beckhoff:ts6100_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:beckhoff:ts6100:-:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

Vendors	Products
Beckhoff Subscribe	Tf6100 Subscribe Tf6100 Firmware Subscribe Ts6100 Subscribe Ts6100 Firmware Subscribe

Advisories

Source	ID	Title
EUVD	EUVD-2021-21244	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.

Fixes

Solution

Please update to a recent version of the affected product (TF6100 or TS6100 version >= 4.3.48.0)

Workaround

No workaround given by the vendor.

References

Link	Providers
https://cert.vde.com/en/advisories/VDE-2021-051/

History

No history.

Projects

Sign in to view the affected projects.

MITRE

Status: PUBLISHED

Assigner: CERTVDE

Published: 2021-11-04T09:50:09.275622Z

Updated: 2024-09-16T22:03:44.063Z

Reserved: 2021-06-10T00:00:00

Link: CVE-2021-34594

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-11-04T10:15:07.833

Modified: 2024-11-21T06:10:46.750

Link: CVE-2021-34594

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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