Description
In onPackageRemoved of AccessibilityManagerService.java, there is a possibility to automatically grant accessibility services due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-12L Android-13Android ID: A-243378132
Exploits (1)
nomisec
WORKING POC
by Trinadh465 · poc
https://github.com/Trinadh465/frameworks_base_android-6.0.1_r22_CVE-2023-20921
Scores
CVSS v3
7.3
EPSS
0.0003
EPSS Percentile
8.7%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-670
Status
published
Products (5)
google/android
10.0
google/android
11.0
google/android
12.0
google/android
12.1
google/android
13.0
Published
Jan 26, 2023
Tracked Since
Feb 18, 2026