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Fencer Vulns
medium 5.5

CVE-2025-40584 json

A vulnerability has been identified in SIMOTION SCOUT TIA V5.4 (All versions), SIMOTION SCOUT TIA V5.5 (All versions), SIMOTION SCOUT TIA V…

published 2025-08-12 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24246

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

Summary

A vulnerability has been identified in SIMOTION SCOUT TIA V5.4 (All versions), SIMOTION SCOUT TIA V5.5 (All versions), SIMOTION SCOUT TIA V5.6 (All versions < V5.6 SP1 HF7), SIMOTION SCOUT TIA V5.7 (All versions < V5.7 SP1 HF1), SIMOTION SCOUT V5.4 (All versions), SIMOTION SCOUT V5.5 (All versions), SIMOTION SCOUT V5.6 (All versions < V5.6 SP1 HF7), SIMOTION SCOUT V5.7 (All versions < V5.7 SP1 HF1), SINAMICS STARTER V5.5 (All versions), SINAMICS STARTER V5.6 (All versions), SINAMICS STARTER V5.7 (All versions < V5.7 HF2). The affected application contains a XML External Entity Injection (XXE) vulnerability while parsing specially crafted XML files. This could allow an attacker to read arbitrary files in the system.

Patch / fix

  • Siemens SIMOTION SCOUT TIA V5.6 V5.6 SP1 HF7
  • Siemens SIMOTION SCOUT TIA V5.7 V5.7 SP1 HF1
  • Siemens SIMOTION SCOUT V5.6 V5.6 SP1 HF7
  • Siemens SIMOTION SCOUT V5.7 V5.7 SP1 HF1
  • Siemens SINAMICS STARTER V5.7 V5.7 HF2

Vendor advisories

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

cisa ICSA-25-226-18 updated cvss 5.5

Siemens SIMOTION SCOUT, SIMOTION SCOUT TIA, and SINAMICS STARTER

  • Siemens SIMOTION SCOUT TIA V5.4 Siemens SIMOTION SCOUT TIA V5.5
    affected: mitigation, no fix planned
  • Siemens SIMOTION SCOUT TIA V5.6 <V5.6_SP1_HF7
    affected: fixed in V5.6, mitigation support.industry.siemens.com
  • Siemens SIMOTION SCOUT TIA V5.7 <V5.7_SP1_HF1
    affected: fixed in V5.7, mitigation support.industry.siemens.com
  • Siemens SIMOTION SCOUT V5.4 Siemens SIMOTION SCOUT V5.5
    affected: mitigation, no fix planned
  • Siemens SIMOTION SCOUT V5.6 <V5.6_SP1_HF7
    affected: fixed in V5.6, mitigation support.industry.siemens.com
  • Siemens SIMOTION SCOUT V5.7 <V5.7_SP1_HF1
    affected: fixed in V5.7, mitigation support.industry.siemens.com
  • Siemens SINAMICS STARTER V5.5 Siemens SINAMICS STARTER V5.6
    affected: mitigation, no fix planned
  • Siemens SINAMICS STARTER V5.7 <V5.7_HF2
    affected: fixed in V5.7, mitigation support.industry.siemens.com

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
no
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CNA 4.0 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA 4.0 6.8 CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Siemens SIMOTION SCOUT TIA V5.4
  • Siemens SIMOTION SCOUT TIA V5.5
  • Siemens SIMOTION SCOUT TIA V5.6
  • Siemens SIMOTION SCOUT TIA V5.7
  • Siemens SIMOTION SCOUT V5.4
  • Siemens SIMOTION SCOUT V5.5
  • Siemens SIMOTION SCOUT V5.6
  • Siemens SIMOTION SCOUT V5.7
  • Siemens SINAMICS STARTER V5.5
  • Siemens SINAMICS STARTER V5.6
  • Siemens SINAMICS STARTER V5.7

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.