CVE-2021-42015

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-11-09 · updated 2026-06-17
Weakness: CWE-525

Description

A vulnerability has been identified in Mendix Applications using Mendix 7 (All versions < V7.23.26), Mendix Applications using Mendix 8 (All versions < V8.18.12), Mendix Applications using Mendix 9 (All versions < V9.6.1). Applications built with affected versions of Mendix Studio Pro do not prevent file documents from being cached when files are opened or downloaded using a browser. This could allow a local attacker to read those documents by exploring the browser cache.

Affected products

Siemens Mendix Applications using Mendix 7: before 7.23.26; from 8.0.0 before 8.18.12; from 9.0.0 before 9.6.1 — fixed in 7.23.26, 8.18.12, 9.6.1

How to fix

Upgrade to a fixed version: Siemens Mendix Applications using Mendix 7 7.23.26, 8.18.12, 9.6.1. Check the vendor advisory for mitigations.

References

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