CVE-2023-21020

MEDIUM

Android 13 - Use-After-Free in registerSignalHandlers

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1
Core References

Scores

CVSS v3 6.7
EPSS 0.0010
EPSS Percentile 0.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (1)
google/android 13.0
Published Mar 24, 2023
Tracked Since Feb 18, 2026