CVE-2025-40804: Critical severity Siemens SIMATIC Virtualization as a Service vulnerability

Published Sep 9, 2025
·
Updated

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.

Affected Software

1 affected component
Siemens SIMATIC Virtualization as a Service<

Event History

Sep 9, 2025
CVE Published
via MITRE·08:48 AM
Data Sourced
via MITRE·08:48 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 AM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-40804?

CVE-2025-40804 is considered a critical vulnerability due to its ability to expose sensitive data without authentication.

2

How can I fix CVE-2025-40804?

To fix CVE-2025-40804, ensure that network shares in SIMATIC Virtualization as a Service are properly secured with authentication measures.

3

What are the potential impacts of CVE-2025-40804?

CVE-2025-40804 may allow attackers to access or alter sensitive data, leading to data breaches or unauthorized modifications.

4

Which software is affected by CVE-2025-40804?

CVE-2025-40804 affects all versions of Siemens SIMATIC Virtualization as a Service.

5

Is authentication required to exploit CVE-2025-40804?

No, CVE-2025-40804 allows exploitation without any authentication, making it particularly dangerous.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203