CVE-2022-20338

LOW

Android 11-12L - Local Privilege Escalation via HierarchicalUri.readFrom Input Validation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2022-20338. PoCs published by Trinadh465, Satheesh575555.

AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2022-20338, targeting Android's Autofill framework. The code includes test cases demonstrating the vulnerability, which involves improper handling of autofill requests, potentially leading to information disclosure or unintended data exposure.

Description

In HierarchicalUri.readFrom of Uri.java, there is a possible way to craft a malformed Uri object due to improper input validation. This could lead to a local escalation of privilege, preventing processes from validating URIs correctly, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12LAndroid ID: A-171966843

Exploits (2)

nomisec WORKING POC 1 stars
by Trinadh465 · poc
https://github.com/Trinadh465/frameworks_base_AOSP_10_r33_CVE-2022-20338

This repository contains a proof-of-concept exploit for CVE-2022-20338, targeting Android's Autofill framework. The code includes test cases demonstrating the vulnerability, which involves improper handling of autofill requests, potentially leading to information disclosure or unintended data exposure.

Classification
Working Poc 90%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Android Autofill Framework (AOSP 10 r33)
No auth needed
Prerequisites: Access to an Android device with the vulnerable Autofill framework
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by Satheesh575555 · poc
https://github.com/Satheesh575555/frameworks_base_AOSP_06_r22_CVE-2022-20338

This repository contains a proof-of-concept exploit for CVE-2022-20338, targeting a vulnerability in the Android framework's ActivityManager (am) command. The exploit appears to leverage command injection or privilege escalation within the Android system commands.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Android Open Source Project (AOSP) frameworks/base, version 06_r22
No auth needed
Prerequisites: Access to an affected Android device or emulator · Ability to execute commands via adb or similar
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1

Scores

CVSS v3 3.3
EPSS 0.0020
EPSS Percentile 10.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (1)
google/android 13.0
Published Aug 12, 2022
Tracked Since Feb 18, 2026