CVE-2023-21096

Name: CVE-2023-21096
Creator: NVD / NIST
Published: 2023-04-19T20:15:11.85+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2023-21096 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.47%

36.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Google	Android	12.0
Google	Android	12.1
Google	Android	13.0

References

https://source.android.com/security/bulletin/2023-04-01Patch, Vendor Advisory
https://source.android.com/security/bulletin/2023-04-01Patch, Vendor Advisory

Timeline

Published: Apr 19, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21096?

How severe is CVE-2023-21096?

CVE-2023-21096 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21096?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-21096?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST