CVE-2020-0227

HIGH

Android 8.0-10 - Unauthenticated Permissions Bypass in CompanionDeviceManagerService

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-0227. PoCs published by nanopathi.

AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2020-0227, targeting Android's autofill framework. The code demonstrates how an attacker could exploit the vulnerability to manipulate autofill behavior, potentially leading to unauthorized data access or manipulation.

Description

In onCommand of CompanionDeviceManagerService.java, there is a possible permissions bypass due to a missing permission check. This could lead to local escalation of privilege allowing background data usage or launching from the background, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.0 Android-8.1 Android-9 Android-10Android ID: A-129476618

Exploits (1)

nomisec WORKING POC
by nanopathi · poc
https://github.com/nanopathi/framework_base_AOSP10_r33_CVE-2020-0227

This repository contains a proof-of-concept exploit for CVE-2020-0227, targeting Android's autofill framework. The code demonstrates how an attacker could exploit the vulnerability to manipulate autofill behavior, potentially leading to unauthorized data access or manipulation.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Android Autofill Framework (AOSP10_r33)
No auth needed
Prerequisites: Access to the target Android device · Ability to install a malicious autofill service
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://source.android.com/security/bulletin/2020-07-01

Scores

CVSS v3 7.8
EPSS 0.0027
EPSS Percentile 18.1%
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-862
Status published
Products (4)
google/android 8.0
google/android 8.1
google/android 9.0
google/android 10.0
Published Jul 17, 2020
Tracked Since Feb 18, 2026