CVE-2023-45794: Siemens Mendix

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

A vulnerability has been identified in Mendix Applications using Mendix 10 (All versions < V10.4.0), Mendix Applications using Mendix 7 (All versions < V7.23.37), Mendix Applications using Mendix 8 (All versions < V8.18.27), Mendix Applications using Mendix 9 (All versions < V9.24.10). A capture-replay flaw in the platform could have an impact to apps built with the platform, if certain preconditions are met that depend on the app's model and access control design. This could allow authenticated attackers to access or modify objects without proper authorization, or escalate privileges in the context of the vulnerable app.

Affected products

• Siemens Mendix: from 7.0.0, before 7.23.37 (fixed in 7.23.37); from 8.0.0, before 8.18.27 (fixed in 8.18.27); from 9.0.0, before 9.24.10 (fixed in 9.24.10); from 10.0.0, before 10.4.0 (fixed in 10.4.0)

Published 2023-11-14. Last modified 2026-06-17.