CVE-2021-0705: Google Android

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

In sanitizeSbn of NotificationManagerService.java, there is a possible way to keep service running in foreground and keep granted permissions due to Bypass of Background Service Restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-185388103

Affected products

• Google Android: version 10.0 only; version 11.0 only

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