CVE-2021-0317 Privilege escalation in Android

High 7.8 Published Updated

A logic error in Android's permission handling allows local attackers to escalate privileges without additional execution rights, requiring user interaction.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2021-0317?

CVE-2021-0317 is a high-severity vulnerability in Google Android, published on 11 Jan 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

In createOrUpdate of Permission.java and related code, there is possible permission escalation due to a logic error. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-10, Android-11, Android-8.0, Android-8.1, Android-9; Android ID: A-168319670.

Weakness: CWE-863

Which versions are affected by CVE-2021-0317?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0317?

Apply the vendor's patch.

Is CVE-2021-0317 being exploited?

There is no known exploitation of CVE-2021-0317 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-168319670, ASB-A-168319670, GHSA-j7m5-9hhg-47p4.

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