Description
In onCreate of KeyChainActivity.java, there is a possible way to use an app certificate stored in keychain due to a tapjacking/overlay attack. 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-9Android ID: A-199754277
Exploits (1)
nomisec
WRITEUP
by Trinadh465 · poc
https://github.com/Trinadh465/packages_apps_KeyChain_AOSP10_r33_CVE-2021-0963
Scores
CVSS v3
7.1
EPSS
0.0001
EPSS Percentile
1.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Details
CWE
CWE-1021
Status
published
Products (4)
google/android
9.0
google/android
10.0
google/android
11.0
google/android
12.0
Published
Dec 15, 2021
Tracked Since
Feb 18, 2026