CVE-2023-20971 Privilege escalation in Android

High 7.8 Published Updated

A logic error in Android's PermissionManagerServiceImpl allows local attackers to obtain dangerous permissions without user consent, leading to privilege escalation.

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-2023-20971?

CVE-2023-20971 is a high-severity vulnerability in Google Android, published on 24 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In removePermission of PermissionManagerServiceImpl.java, there is a possible way to obtain dangerous permissions without user consent due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-863

Which versions are affected by CVE-2023-20971?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-20971?

Apply the vendor's patch.

Is CVE-2023-20971 being exploited?

There is no known exploitation of CVE-2023-20971 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-225880325, ASB-A-225880325, GHSA-74h5-c7r2-qfwr, PUB-A-225880325.

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