CVE-2021-39799

HIGH

Android - Local Privilege Escalation via AttributionSource Input Validation Bypass

Title source: llm
STIX 2.1

Description

In AttributionSource of AttributionSource.java, there is a possible permission bypass due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-200288596

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://source.android.com/security/bulletin/2022-04-01

Scores

CVSS v3 7.8
EPSS 0.0012
EPSS Percentile 1.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-863
Status published
Products (2)
google/android 12.0
google/android 12.1
Published Apr 12, 2022
Tracked Since Feb 18, 2026