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TI-2023-25100 Aliases CVE-2023-46590GHSA-cj8x-q3v5-mmvx

XML external entity injection in Siemens OPC UA Modelling Editor

Priority MEDIUM 42CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00652 51st percentileScored 2026-11-07
Fix Fixed Siemens OPC UA Modelling Editor (SiOME) (Siemens): V2.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensSiemens OPC UA Modelling Editor (SiOME)before V2.8V2.8Patch availableCNA
  • Siemens OPC UA Modelling Editor (SiOME) VendorSiemens Affected before V2.8 Fixed in V2.8 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:siemens:siemens_opc_ua_modeling_editor:*:*:*:*:*:*:*:*before 2.8VulnerableSiemens
  • cpe:2.3:a:siemens:siemens_opc_ua_modeling_editor:*:*:*:*:*:*:*:* Versions before 2.8 Vulnerable ·Siemens

Remediation

  • Fix · CNA Siemens OPC UA Modelling Editor (SiOME) (Siemens) Fixed in V2.8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-46590
  2. 2026-10-03 Alias added: GHSA-cj8x-q3v5-mmvx
  3. 2026-10-14 EPSS moved to the 50th–90th percentile

References

Patch 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences