CVE-2023-20971 Privilege escalation in Android
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.
Other vulnerabilities in Google Android
Sources
Also known as A-225880325, ASB-A-225880325, GHSA-74h5-c7r2-qfwr, PUB-A-225880325.