CVE-2021-0984 Privilege escalation in Android

High 7.8 Published Updated

A local attacker can escalate privileges via a permission bypass in Android's ManagedServices due to incorrect service unbinding.

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-2021-0984?

CVE-2021-0984 is a high-severity vulnerability in Google Android, published on 15 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In onNullBinding of ManagedServices.java, there is a possible permission bypass due to an incorrectly unbound service. 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-192475653

Weakness: CWE-404

Which versions are affected by CVE-2021-0984?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0984?

Apply the vendor's patch.

Is CVE-2021-0984 being exploited?

There is no known exploitation of CVE-2021-0984 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-192475653, GHSA-whgv-23cp-jhmg, PUB-A-192475653.

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