CVE-2025-23403 Privilege escalation in SIMATIC IPC DiagBase
An authenticated attacker can load vulnerable drivers due to improper registry permissions, leading to privilege escalation or bypassing security measures.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-23403?
CVE-2025-23403 is a high-severity vulnerability in Siemens SIMATIC IPC DiagBase, published on 11 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability has been identified in SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions). 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.
Weakness: CWE-732
Which versions are affected by CVE-2025-23403?
How do I fix CVE-2025-23403?
No fix has been published for CVE-2025-23403 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-23403 being exploited?
There is no known exploitation of CVE-2025-23403 in the wild and no public exploit code.
Sources
Also known as GHSA-pggr-mph7-ch3v.