Is CVE-2023-21096 actively exploited?

No active exploitation of CVE-2023-21096 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-21096 be exploited remotely?

Yes. CVE-2023-21096 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-21096?

CVE-2023-21096 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-21096

CWE-416Published: April 19, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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

NVD Source

Risk Analysis

This is a use-after-free vulnerability in the Android attribution processor that allows for remote code execution. Because it requires no user interaction and no additional privileges, it carries a critical CVSS score of 9.8.

No public exploit is known, and it is not in the CISA KEV catalog. The vulnerability is remotely exploitable with low attack complexity.

Recommended Action

Apply the latest Android security patches provided by Google for the affected versions.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-21096 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.