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.

CVSS v3 6.5 MEDIUM
CVSS v2.0 8.5 HIGH

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:S/C:N/I:C/A:C

Exploitability : 8.0 / Impact : 9.2

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

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

Configurations

Configuration 1 (hide)

AND

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

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

Configuration 2 (hide)

AND

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

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

History

06 Nov 2021, 02:40

Type	Values Removed	Values Added
References	~~(CONFIRM) https://cert.vde.com/en/advisories/VDE-2021-051/ -~~	(CONFIRM) https://cert.vde.com/en/advisories/VDE-2021-051/ - Mitigation, Third Party Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~6.5~~	v2 : 8.5 v3 : 6.5
CPE		cpe:2.3:h:beckhoff:tf6100:-:::::::* cpe:2.3:o:beckhoff:tf6100_firmware:::::::: cpe:2.3:h:beckhoff:ts6100:-:::::::* cpe:2.3:o:beckhoff:ts6100_firmware::::::::
CWE		CWE-22

04 Nov 2021, 10:41

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-11-04 10:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-34594

Mitre link : CVE-2021-34594

CVE.ORG link : CVE-2021-34594

JSON object : View

Products Affected

beckhoff

tf6100_firmware
tf6100
ts6100
ts6100_firmware

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-23

Relative Path Traversal

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