CVE-2021-39694 Privilege escalation in Android

High 7.8 Published Updated

Local attackers can bypass user-denied permissions to escalate privileges in Android via a flaw in RoleParser.java.

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-2021-39694?

CVE-2021-39694 is a high-severity vulnerability in Google Android, published on 16 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In parse of RoleParser.java, there is a possible way for default apps to get permissions explicitly denied by the user due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-202312327

Weakness: CWE-276

Which versions are affected by CVE-2021-39694?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-39694?

Apply the vendor's patch.

Is CVE-2021-39694 being exploited?

There is no known exploitation of CVE-2021-39694 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-202312327, ASB-A-202312327, GHSA-6777-pc6c-mfp9.

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