CVE-2021-0330: Google Android

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

In add_user_ce and remove_user_ce of storaged.cpp, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in storaged with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11Android ID: A-170732441

Affected products

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

Published 2021-02-10. Last modified 2026-06-17.