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TRUMPF: Products prone to Unified Automation vulnerabilities

VDE-2022-034
Last update
08/15/2022 12:00
Published at
08/15/2022 12:00
Vendor(s)
Trumpf SE + Co. KG
External ID
VDE-2022-034
CSAF Document
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Summary

A number of TRUMPF software tools use the OPC UA Server in C++ based OPC UA SDK by Unified Automation. The application contains several vulnerabilities, which enable an attacker to send malicious data to the application, resulting in a Denial-of-Service.

Impact

The stated TRUMPF products are supplied with the Unified Automation OPC UA Server in versions that are known to contain a number of vulnerabilities. We can not confirm at this time whether the use of vulnerable OPC UA Server exposes our products to the risks described in the CVEs mentioned above. Nevertheless, TRUMPF offers updates for its products that contain the fixed versions provided by Unified Automation.

Affected Product(s)

Model no. Product name Affected versions
MOS <6.3.2 MOS <6.3.2
OPC UA Proxy <2.5.0 OPC UA Proxy <2.5.0

Vulnerabilities

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Published
09/22/2025 14:57
Severity
7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
Uncontrolled Resource Consumption (CWE-400)
Summary

OPC UA .NET Standard Stack 1.04.368 allows a remote attacker to cause a server to crash via a large number of messages that trigger Uncontrolled Resource Consumption.

References
cve.org | nvd.nist.gov

Published
09/22/2025 14:57
Severity
7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835)
Summary

An infinite loop in OPC UA .NET Standard Stack 1.04.368 allows a remote attackers to cause the application to hang via a crafted message.

References
cve.org | nvd.nist.gov

Remediation

Use the updated versions of the TRUMPF OPC UA server that will be available via MyTRUMPF.

Revision History

Version Date Summary
1.0.0 08/15/2022 12:00 Initial revision.