CVE-2021-0963

7.1 highEPSS 0.2%

High (7.1) in google android. EPSS 0.2% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

7.1 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 10% of CVEs (scores of 2026-10-31)
CWE: CWE-1021
Published: 2021-12-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

google:android

References

https://source.android.com/security/bulletin/2021-12-01
https://source.android.com/security/bulletin/2021-12-01

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