Vulnerability in Siemens Simatic Virtualization As A Service (Sivaas)
CVE-2025-40804
A vulnerability has been identified in SIMATIC Virtualization as a Service (SIVaaS) (All versions). The affected application exposes a network share without any authentication. This could allow an attacker to access or alter sensitive data…
EPSS: 0.004 (30.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Siemens Simatic Virtualization As A Service (Sivaas) — versions 0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-40804?
- CVE-2025-40804 is a critical-severity vulnerability in Siemens Simatic Virtualization As A Service (Sivaas), classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 9.1/10. Published 2025-09-09.
- How severe is CVE-2025-40804?
- Critical severity. CVSS v3 base score is 9.1 out of 10.