CVE-2025-40804 — CRITICAL (9.1)

Vulnerability Description

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 without proper authorization.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Related Weaknesses (CWE)

CWE-732

References

https://cert-portal.siemens.com/productcert/html/ssa-534283.html

FAQ

What is CVE-2025-40804?

CVE-2025-40804 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 att...

How severe is CVE-2025-40804?

CVE-2025-40804 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-40804?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.