CVE-2023-46590

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-14 · updated 2026-06-17
Weakness: CWE-611

Description

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 OPC UA Modelling Editor (SiOME): before 2.8 — fixed in 2.8

How to fix

Upgrade to a fixed version: Siemens OPC UA Modelling Editor (SiOME) 2.8. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-197270.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-197270.pdf

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