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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.005 (38.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-21096: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • Google Android — versions 12.0, 12.1, 13.0
  • Android — versions Android-12 Android-12L Android-13

Weakness classification (CWE)

References

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.