CVE-2021-0870: Google Android

High severity, CVSS 8.1. EPSS: 7% chance of exploitation in the next 30 days.

In RW_SetActivatedTagType of rw_main.cc, there is possible memory corruption due to a race condition. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-192472262

Affected products

• Google Android: version 8.1 only; version 9.0 only; version 10.0 only; version 11.0 only

Published 2021-10-22. Last modified 2026-06-17.