Skip to content
Fencer Vulns
high 7.5

CVE-2023-46590 json

A vulnerability has been identified in Siemens OPC UA Modelling Editor (SiOME) (All versions < V2.8).

published 2023-11-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-50793

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

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.

Patch / fix

  • siemens siemens_opc_ua_modeling_editor 2.8

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-320-07 updated cvss 7.5

Siemens OPC UA Modeling Editor (SiOME)

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • Siemens Siemens OPC UA Modelling Editor (SiOME)

Classification

Weakness
  • CWE-611 Improper Restriction of XML External Entity Reference

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.