CVE-2021-1020

HIGH

Android 12 - Local Privilege Escalation via NotificationListenerService Snooze Notification

Title source: llm
STIX 2.1

Description

In snoozeNotification of NotificationListenerService.java, there is a possible way to disable notification for an arbitrary user due to improper input validation. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-195111725

References (1)

Core 1
Core References

Scores

CVSS v3 7.3
EPSS 0.0012
EPSS Percentile 2.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-20
Status published
Products (1)
google/android 12.0
Published Dec 15, 2021
Tracked Since Feb 18, 2026