CVE-2022-29862

TRUMPF MOS — vulnerability CVE-2022-29862

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.

CVSS 7.5Patch available

This record: live connection— last retrieved: 7 November 2026 at 03:07.

Vendor

TRUMPF

Products

MOS, OPC UA Proxy

up to version <6.3.2

Published

16 June 2022

Last modified

17 June 2026

Original source information

Taken directly from NVD, CISA or the vendor — sometimes in English, unchanged from the source.

Technical description

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.

CVSS 3.1 — vector details

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

Attack vector

NETWORK

Privileges required

NONE

User interaction

NONE

Confidentiality

None

Integrity

None

Availability

High

EPSS — Exploit Prediction Scoring System

Probability of exploitation within 30 days

1.7%

Percentile

77e

Source: FIRST.org, updated on 6 November 2026.

Patch information

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

IACS Radar assessment

Our own interpretation and context for the source data above.

IACS Radar assessment

Our own interpretation and context for this vulnerability — not an official source.

IACS Radar priority score

50/ 100

Based on CVSS 7.5, EPSS 1.7%, industrial relevance 65/100.

Combines CVSS, EPSS, KEV status, industrial relevance and exposure relevance — a complement to, not a replacement for, the individual scores below and above.

Conditions for exploitation

•Network access to the affected device or segment is required.
•No valid credentials are needed.
•No user interaction required.

Operational impact & energy relevance

Possible loss of visibility of or control over the process upon successful exploitation.

Assessed as relevant to the energy sector based on: Vermeld in een officiële CISA ICS Advisory, wat directe relevantie voor industriële besturingssystemen bevestigt. Productbeschrijving komt overeen met de categorie "opc-server", een typisch OT/ICS-componenttype. Description mentions industrial protocol: opc-ua.

Recommended defensive measures

•Test failover and recovery procedures in case the system fails.
•Restrict network access to the affected device to a dedicated OT management segment.
•Implement network segmentation in line with zones and conduits (IEC 62443-3-2).
•Monitor for abnormal protocol traffic using an OT-aware detection system.

Industrial relevance score

65/ 100

• Mentioned in an official CISA ICS advisory, which confirms direct relevance to industrial control systems.
• Product description matches the category "opc-server", a typical OT/ICS component type.
• Description mentions industrial protocol: opc-ua.

Automatically classified as industrially relevant based on CISA/NVD signals (see reasons).

Classified by IACS Radar-analysepijplijn (geautomatiseerd) on 7 November 2026.

IEC 62443 mapping

IEC 62443-3-3FR7 · Beschikbaarheid van middelen

Automatic IACS Radar assessment based on the reported CWE weakness classification; not an official certification statement.

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