CVE-2021-0694

HIGH

Android 11 - Local Privilege Escalation via Insufficient Background Restrictions

Title source: llm
STIX 2.1

Description

In setServiceForegroundInnerLocked of ActiveServices.java, there is a possible way for a background application to regain foreground permissions due to insufficient background restrictions. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-183147114

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0011
EPSS Percentile 1.5%
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 (1)
google/android 11.0
Published Apr 12, 2022
Tracked Since Feb 18, 2026