CVE-2022-20396 Auth bypass in Android
Attackers can bypass permissions to make Android devices discoverable via Bluetooth without user interaction, leading to local 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-2022-20396?
CVE-2022-20396 is a medium-severity authentication bypass vulnerability in Google Android, published on 13 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In SettingsActivity.java, there is a possible way to make a device discoverable over Bluetooth, without permission or user interaction, due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12L Android-13Android ID: A-234440688
Weakness: CWE-345
Which versions are affected by CVE-2022-20396?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20396?
Apply the vendor's patch.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2022-20396 being exploited?
There is no known exploitation of CVE-2022-20396 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-234440688, ASB-A-234440688, GHSA-385f-2j86-w7g5.