CVE-2023-21020

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Published Mar 24, 2023 CVSS 3.1 · 6.7 Medium EPSS < 1% KEV · Not listed

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

Android

affected

Version	Status	Constraints
`Android-13`	affected	—

Configuration 1 [-]

cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2023-25188	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

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.097% probability within 30 days)

Exploitation none

Automatable no

Technical Impact total

References

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

History

Feb 24, 2025 3:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Google Android

Weaknesses

CWE-416

Sources

CVE record Updated: Feb 24, 2025, 3:02 PM

Status: PUBLISHED
Assigner: google_android
Published: Mar 24, 2023, 12:00 AM
Updated: Feb 24, 2025, 3:02 PM
Reserved: Nov 3, 2022, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 9:21 AM

Updated: Aug 2, 2024, 9:21 AM

NVD Updated: Jun 17, 2026, 5:31 AM

Status: Modified
Published: Mar 24, 2023, 8:15 PM
Modified: Jun 17, 2026, 5:31 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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