CVE-2021-39631 Information disclosure in Android

Medium 5.5 Published Updated

Misleading UI text in Android's storage clearing feature may cause local information disclosure without user interaction or elevated privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2021-39631?

CVE-2021-39631 is a medium-severity vulnerability in Google Android, published on 11 Feb 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In clear_data_dlg_text of strings.xml, there is a possible situation when "Clear storage" functionality sets up the wrong security/privacy expectations due to a misleading message. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-193890833

Which versions are affected by CVE-2021-39631?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-39631?

Apply the vendor's patch.

Is CVE-2021-39631 being exploited?

There is no known exploitation of CVE-2021-39631 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-193890833, ASB-A-193890833, GHSA-jjh6-7r67-w858.

Is CVE-2021-39631 in your software?

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

Check your SBOMs for free