CVE-2023-21248 Missing authorization in Android
Local attackers can bypass device policy restrictions and escalate privileges due to a missing permission check in Android's Wi-Fi scanning controller.
- 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-2023-21248?
CVE-2023-21248 is a high-severity missing authorization vulnerability in Google Android, published on 12 Jul 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In getAvailabilityStatus of WifiScanningMainSwitchPreferenceController.java, there is a possible way to bypass a device policy restriction 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.
Weakness: CWE-862
Which versions are affected by CVE-2023-21248?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2023-21248?
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-2023-21248 being exploited?
There is no known exploitation of CVE-2023-21248 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-277333746, ASB-A-277333746, GHSA-h8r9-gx27-98gj.