CVE-2023-21020

6.7 mediumEPSS 0.10%

Medium (6.7) in google android. EPSS 0.10% chance of exploitation in the next 30 days.

In registerSignalHandlers of main.c, there is a possible local arbitrary code execution due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-13Android ID: A-256591441

Severity

CVSS 3.1

6.7 medium

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

EPSS: 0.10% chance of exploitation in the next 30 days; higher than 0% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2023-03-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

google:android

References

https://source.android.com/security/bulletin/pixel/2023-03-01
https://source.android.com/security/bulletin/pixel/2023-03-01

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