CVE-2021-1022: Google Android

High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days.

In btif_in_hf_client_generic_evt of btif_hf_client.cc, there is a possible Bluetooth service crash due to a missing null check. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-180420059

Affected products

• Google Android: version 12.0 only

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