CVE-2022-20533 Missing authorization in Android
A missing permission check in Android's WiFi slice allows local attackers to connect to new networks from guest mode, 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-2022-20533?
CVE-2022-20533 is a low-severity missing authorization vulnerability in Google Android, published on 16 Dec 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In getSlice of WifiSlice.java, there is a possible way to connect a new WiFi network from the guest mode 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-13Android ID: A-232798363
Weakness: CWE-862
Which versions are affected by CVE-2022-20533?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2022-20533?
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-2022-20533 being exploited?
There is no known exploitation of CVE-2022-20533 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-232798363, GHSA-wfw7-5w85-qfw5, PUB-A-232798363.