CVE-2022-20126 Missing authorization in Android
A missing permission check in Android's Bluetooth service allows local attackers to enable discovery mode 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
- A user has to click or open something
- Fix
- Available
What is CVE-2022-20126?
CVE-2022-20126 is a high-severity missing authorization vulnerability in Google Android, published on 15 Jun 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
In setScanMode of AdapterService.java, there is a possible way to enable Bluetooth discovery mode without user interaction due to a missing permission check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12LAndroid ID: A-203431023
Weakness: CWE-862
Which versions are affected by CVE-2022-20126?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20126?
Apply the vendor's patch.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2022-20126 being exploited?
There is no known exploitation of CVE-2022-20126 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Google Android
Sources
Also known as A-203431023, ASB-A-203431023, GHSA-rj46-7436-jjgq.