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CVE-2023-20963

HighPublished

Android Framework Privilege Escalation Vulnerability

Published: Mar 24, 2023
Updated: Oct 21, 2025
Assigning CNA: google_android
Evidence observed: Apr 13, 2023

Primary CVSS

7.8/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

1.5%

Low · next 30 days

Percentile: 72.1%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

In WorkSource, there is a possible parcel mismatch. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-220302519

Sources

BadParcelPoC
CVE-2023-20963 PoC (Android WorkSource parcel/unparcel logic mismatch)
frameworks_base_AOSP10_r33_CVE-2023-20963Patch
Android framework base repository modified to address CVE-2023-20963, providing a patched version for AOSP 10 R33 with security fixes.

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