What is CVE-2023-21096?

CVE-2023-21096 is a critical-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 9.8/10. Published 2023-04-19.

How severe is CVE-2023-21096?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Use After Free in Google Android

CVE-2023-21096

In OnWakelockReleased of attribution_processor.cc, there is a use after free that could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12L Android-13Android ID: A-254774758

Vulnerability class: Use-After-Free

EPSS: 0.005 (37.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 12.0, 12.1, 13.0
N/a Android — versions Android-12 Android-12L Android-13

Weakness classification (CWE)

CWE-416 — Use After Free

References

security@android.com (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2023-21096?: CVE-2023-21096 is a critical-severity vulnerability in Google Android, classified under Use After Free. CVSS score: 9.8/10. Published 2023-04-19.
How severe is CVE-2023-21096?: Critical severity. CVSS v3 base score is 9.8 out of 10.