CVE-2021-39748 Information disclosure in Android

Medium 5.5 Published Updated

Local attackers can access Settings files via unsafe PendingIntent in InputMethodEditor, leading to information disclosure without user interaction.

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-2021-39748?

CVE-2021-39748 is a medium-severity vulnerability in Google Android, published on 30 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In InputMethodEditor, there is a possible way to access some files accessible to Settings due to an unsafe PendingIntent. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12LAndroid ID: A-203777141

Weakness: CWE-276

Which versions are affected by CVE-2021-39748?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-39748?

No fix has been published for CVE-2021-39748 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-39748 being exploited?

There is no known exploitation of CVE-2021-39748 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-85j3-j66q-c47r.

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