CVE-2021-0523 Security feature bypass in Android
Attackers can enable Wi-Fi scanning without consent via tapjacking, leading to local privilege escalation on Android devices.
- 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-2021-0523?
CVE-2021-0523 is a high-severity vulnerability in Google Android, published on 21 Jun 2021. 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 onCreate of WifiScanModeActivity.java, there is a possible way to enable Wi-Fi scanning without user consent due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11Android ID: A-174047492
Weakness: CWE-1021
Which versions are affected by CVE-2021-0523?
It affects 1 product.
Products include Google Android.
How do I fix CVE-2021-0523?
Apply the vendor's patch.
Is CVE-2021-0523 being exploited?
There is no known exploitation of CVE-2021-0523 in the wild and no public exploit code.
Other vulnerabilities in Google Android
Sources
Also known as A-174047492, ASB-A-174047492, GHSA-9qmv-39gp-vcq7.