CVE-2021-0995

LOW

Android 12 - Unauthenticated App Installation Status Disclosure via WifiServiceImpl Side Channel

Title source: llm
STIX 2.1

Description

In registerSuggestionConnectionStatusListener of WifiServiceImpl.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-197536547

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