CVE-2022-20470

HIGH

Android - Local Privilege Escalation via AppWidgetServiceImpl Input Validation Bypass

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2022-20470. PoCs published by Trinadh465.

AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2022-20470, targeting Android's Autofill framework. The code includes test cases and a custom Autofill service to demonstrate the vulnerability, which involves improper handling of Autofill callbacks leading to potential denial-of-service (DoS) or performance degradation.

Description

In bindRemoteViewsService of AppWidgetServiceImpl.java, there is a possible way to bypass background activity launch due to improper input validation. 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-12L Android-13Android ID: A-234013191

Exploits (1)

nomisec WORKING POC
by Trinadh465 · poc
https://github.com/Trinadh465/frameworks_base_AOSP10_r33_CVE-2022-20470

This repository contains a proof-of-concept exploit for CVE-2022-20470, targeting Android's Autofill framework. The code includes test cases and a custom Autofill service to demonstrate the vulnerability, which involves improper handling of Autofill callbacks leading to potential denial-of-service (DoS) or performance degradation.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Android Autofill Framework (AOSP 10 r33)
No auth needed
Prerequisites: Android device with Autofill service enabled · Access to the target device's UI thread
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1

Scores

CVSS v3 7.8
EPSS 0.0018
EPSS Percentile 7.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (4)
google/android 10.0
google/android 11.0
google/android 12.0
google/android 13.0
Published Dec 13, 2022
Tracked Since Feb 18, 2026