CVE-2021-0708 Privilege escalation in Android

High 7.8 Published Updated

A confused deputy vulnerability in Android's ActivityManagerShellCommand allows local attackers to delete system files and escalate privileges 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
Available

What is CVE-2021-0708?

CVE-2021-0708 is a high-severity vulnerability in Google Android, published on 22 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In runDumpHeap of ActivityManagerShellCommand.java, there is a possible deletion of system files due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-183262161

Weakness: CWE-610

Which versions are affected by CVE-2021-0708?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0708?

Apply the vendor's patch.

Is CVE-2021-0708 being exploited?

There is no known exploitation of CVE-2021-0708 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-183262161, ASB-A-183262161, GHSA-jrxx-xqjx-m3g3.

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