CVE-2025-40804 CRITICAL

CVE-2025-40804

Vendor Siemens
Product SIMATIC Virtualization as a Service (SIVaaS)
Weakness CWE-732
Published September 9, 2025
Last update September 9, 2025

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

September 9, 2025 CVE published
September 9, 2025 Record updated