CVE-2021-1034: Google Android

Low severity, CVSS 3.3. EPSS: 0.1% chance of exploitation in the next 30 days.

In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine whether an app is installed, without querypermissions due to a missing permission check. This could lead to localinformation disclosure with no additional execution privileges needed. Userinteraction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-193441322

Affected products

• Google Android: version 12.0 only

Published 2021-12-15. Last modified 2026-06-17.