CVE-2023-46590: Siemens Opc Ua Modeling Editor

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A vulnerability has been identified in Siemens OPC UA Modelling Editor (SiOME) (All versions < V2.8). Affected products suffer from a XML external entity (XXE) injection vulnerability. This vulnerability could allow an attacker to interfere with an application's processing of XML data and read arbitrary files in the system.

Affected products

• Siemens Siemens Opc Ua Modeling Editor: before 2.8 (fixed in 2.8)

Published 2023-11-14. Last modified 2026-06-17.