CVE-2021-33718

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-13 · updated 2026-06-17
Weakness: CWE-863

Description

A vulnerability has been identified in Mendix Applications using Mendix 7 (All versions < V7.23.22), Mendix Applications using Mendix 8 (All versions < V8.18.7), Mendix Applications using Mendix 9 (All versions < V9.3.0). Write access checks of attributes of an object could be bypassed, if user has a write permissions to the first attribute of this object.

Affected products

Siemens Mendix: from 7.0 before 7.23.22; from 8.0 before 8.18.7; from 9.0 before 9.3.0 — fixed in 7.23.22, 8.18.7, 9.3.0

How to fix

Upgrade to a fixed version: Siemens Mendix 7.23.22, 8.18.7, 9.3.0. Check the vendor advisory for mitigations.

References

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