CVE-2021-0970

HIGH

Android - Local Privilege Escalation via Parcel Deserialization Mismatch

Title source: llm

Description

In createFromParcel of GpsNavigationMessage.java, there is a possible Parcel serialization/deserialization 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-10 Android-11 Android-12 Android-9Android ID: A-196970023

References (1)

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

https://source.android.com/security/bulletin/2021-12-01

Scores

CVSS v3 7.8

EPSS 0.0020

EPSS Percentile 10.2%

Attack Vector LOCAL

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

Details

CWE

CWE-502

Status published

Products (4)

google/android 9.0

google/android 10.0

google/android 11.0

google/android 12.0

Published Dec 15, 2021

Tracked Since Feb 18, 2026