CVE-2021-0331

Severity: high (CVSS 7.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-02-10 · updated 2026-06-17
Weakness: CWE-1021

Description

In onCreate of NotificationAccessConfirmationActivity.java, there is a possible overlay attack due to an insecure default value. This could lead to local escalation of privilege and notification access with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-170731783

Affected products

Android: 8.1, 9.0, 10.0, 11.0

References

https://source.android.com/security/bulletin/2021-02-01
https://source.android.com/security/bulletin/2021-02-01

Get alerted when CVE-2021-0331 or the next vulnerability affects your stack