CVE-2023-45794

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-14 · updated 2026-06-17
Weakness: CWE-294

Description

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; from 8.0.0 before 8.18.27; from 9.0.0 before 9.24.10; from 10.0.0 before 10.4.0 — fixed in 10.4.0, 7.23.37, 8.18.27, 9.24.10

How to fix

Upgrade to a fixed version: Siemens Mendix 10.4.0, 7.23.37, 8.18.27, 9.24.10. Check the vendor advisory for mitigations.

References

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