Vulnerability in Siemens Simatic Ipc Diagbase

CVE-2025-23403

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (3.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 3.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-23403: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-23403?
CVE-2025-23403 is a high-severity vulnerability in Siemens Simatic Ipc Diagbase, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.0/10. Published 2025-02-11.
How severe is CVE-2025-23403?
High severity. CVSS v3 base score is 7.0 out of 10.