CVE-2021-42015

Name: CVE-2021-42015
Creator: NVD / NIST
Published: 2021-11-09T12:15:10.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.22%

Last modified Jun 17, 2026

CVE-2021-42015 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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. EPSS estimates a 0.22% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.22%

12.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-525

Affected Software

Vendor	Product	Versions
Mendix	Mendix	< 7.23.26
Mendix	Mendix	>= 8.0.0, < 8.18.12
Mendix	Mendix	>= 9.0.0, < 9.6.1

References

https://cert-portal.siemens.com/productcert/pdf/ssa-338732.pdfPatch, Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-338732.pdfPatch, Third Party Advisory

Timeline

Published: Nov 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42015?

How severe is CVE-2021-42015?

CVE-2021-42015 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42015?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42015?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST