CVE-2021-0933: Google Android

High severity, CVSS 8.0. EPSS: 0.4% chance of exploitation in the next 30 days.

In onCreate of CompanionDeviceActivity.java or DeviceChooserActivity.java, there is a possible way for HTML tags to interfere with a consent dialog due to improper input validation. This could lead to remote escalation of privilege, confusing the user into accepting pairing of a malicious Bluetooth device, with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-172251622

Affected products

• Google Android: version 9.0 only; version 10.0 only; version 11.0 only; version 12.0 only

Published 2021-12-15. Last modified 2026-06-17.