CVE-2021-39799: Google Android

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

In AttributionSource of AttributionSource.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-200288596

Affected products

• Google Android: version 12.0 only; version 12.1 only

Published 2022-04-12. Last modified 2026-06-17.