CVE-2021-39794: Google Android

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In broadcastPortInfo of AdbService.java, there is a possible way for apps to run code as the shell user, if wireless debugging is enabled, due to a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-205836329

Affected products

• Google Android: version 11.0 only; version 12.0 only; version 12.1 only

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