CVE-2021-39695 Privilege escalation in Android
A logic error in Android's BasePermission allows local attackers to 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-2021-39695?
CVE-2021-39695 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 createOrUpdate of BasePermission.java, there is a possible permission bypass due to a logic error in the code. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-209607944
Weakness: CWE-281
Which versions are affected by CVE-2021-39695?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39695?
Apply the vendor's patch.
Is CVE-2021-39695 being exploited?
There is no known exploitation of CVE-2021-39695 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-209607944, ASB-A-209607944, GHSA-mfmj-m5pv-c2vp.