CVE-2021-1034

LOW

Android 12 - Unauthenticated Local Information Disclosure via PhoneInterfaceManager

Title source: llm
STIX 2.1

Description

In getLine1NumberForDisplay of PhoneInterfaceManager.java, there is apossible way to determine whether an app is installed, without querypermissions due to a missing permission check. This could lead to localinformation disclosure with no additional execution privileges needed. Userinteraction is not needed for exploitation.Product: AndroidVersions: Android-12Android ID: A-193441322

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-862
Status published
Products (1)
google/android 12.0
Published Dec 15, 2021
Tracked Since Feb 18, 2026