CVE-2023-20995 Auth bypass in Android
A logic error in Android's fingerprint sensor allows local attackers to bypass unlock 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-2023-20995?
CVE-2023-20995 is a high-severity authentication bypass 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 captureImage of CustomizedSensor.cpp, there is a possible way to bypass the fingerprint unlock 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.Product: AndroidVersions: Android-13Android ID: A-241910279
Weakness: CWE-269
Which versions are affected by CVE-2023-20995?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-20995?
Apply the vendor's patch.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2023-20995 being exploited?
There is no known exploitation of CVE-2023-20995 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-241910279, GHSA-wccw-c3q8-hgg2, PUB-A-241910279.