CVE-2021-0390: Google Android

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

In various methods of WifiNetworkSuggestionsManager.java, there is a possible modification of suggested networks due to a missing permission check. This could lead to local escalation of privilege by a background user on the same device with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-174749461

Affected products

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

Published 2021-03-10. Last modified 2026-06-17.