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 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.
Vulnerability class: XXE (XML External Entity)
EPSS: 0.002 (6.9th 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
- Siemens Simotion Scout Tia V5.4 — versions 0
- Siemens Simotion Scout Tia V5.5 — versions 0
- Siemens Simotion Scout Tia V5.6 — versions 0
- Siemens Simotion Scout Tia V5.7 — versions 0
- Siemens Simotion Scout V5.4 — versions 0
- Siemens Simotion Scout V5.5 — versions 0
- Siemens Simotion Scout V5.6 — versions 0
- Siemens Simotion Scout V5.7 — versions 0
- Siemens Sinamics Starter V5.5 — versions 0
- Siemens Sinamics Starter V5.6 — versions 0
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.