CVE-2021-39622 Auth bypass in Android
Local attackers can bypass Factory Reset Protection in Android GBoard due to missing permission checks, leading to privilege escalation 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-2021-39622?
CVE-2021-39622 is a high-severity authentication bypass vulnerability in Google Android, published on 14 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In GBoard, there is a possible way to bypass Factory Reset Protection due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12Android ID: A-192663648
Weakness: CWE-862
Which versions are affected by CVE-2021-39622?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-39622?
Apply the vendor's patch.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-39622 being exploited?
There is no known exploitation of CVE-2021-39622 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-192663648, ASB-A-192663648, GHSA-v7mg-hcrm-5cmj.