CVE-2021-42015 Information disclosure in Mendix Applications using Mendix 7

Medium 5.5 Published Updated

Local attackers can read sensitive documents from the browser cache because Mendix applications fail to set proper cache-control headers for file downloads.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-42015?

CVE-2021-42015 is a medium-severity vulnerability in Siemens Mendix Applications using Mendix 7, published on 9 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-525

Which versions are affected by CVE-2021-42015?

It affects 1 product.

Products include Mendix Mendix.

How do I fix CVE-2021-42015?

No fix has been published for CVE-2021-42015 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-42015 being exploited?

There is no known exploitation of CVE-2021-42015 in the wild and no public exploit code.

Sources

Also known as GHSA-2q58-h8f4-6q55.

Is CVE-2021-42015 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free