XXE in Siemens Simotion Scout Tia V5.4

CVE-2025-40584

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 S…

Vulnerability class: XXE (XML External Entity)

EPSS: 0.002 (5.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-40584?
CVE-2025-40584 is a medium-severity vulnerability in Siemens Simotion Scout Tia V5.4, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 5.5/10. Published 2025-08-12.
How severe is CVE-2025-40584?
Medium severity. CVSS v3 base score is 5.5 out of 10.