CVE-2021-1031

LOW

Android - Local Information Disclosure via Notification Listener Side Channel

Title source: llm

Description

In cancelNotificationsFromListener of NotificationManagerService.java, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-194697004

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

https://source.android.com/security/bulletin/pixel/2021-12-01

Scores

CVSS v3 3.3

EPSS 0.0011

EPSS Percentile 1.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Details

CWE

CWE-203

Status published

Products (1)

google/android 12.0

Published Dec 15, 2021

Tracked Since Feb 18, 2026