ICSA-25-044-12: Siemens SIMATIC IPC DiagBase and SIMATIC IPC DiagMonitor
CISA advisory · released 2025-02-11
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 2, 2025-04-08 (final)
CISA's summary
Summary: SIMATIC IPC DiagBase and SIMATIC IPC DiagMonitor contain a weak registry permission vulnerability that could allow an authenticated attacker to perform privilege escalation or bypass security measures. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SIMATIC IPC DiagBase | vers:all/* |
| Siemens | SIMATIC IPC DiagMonitor | vers:all/* |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2025-23403 — CVE-2025-23403 · CWE-732
The affected device do not properly restrict the user permission for the registry key. This could allow an authenticated attacker to load vulnerable drivers into the system leading to privilege escalation or bypassing endpoint protection and other security measures.
Acknowledgments, as the advisory lists them
- Felix Eberstaller, Sixtus Leonhardsberger, Limes Security: reporting this vulnerability to Siemens.
The advisory's legal notice
The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.
Sources
DeSpy's copy of this version is dated 2026-09-28.
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