CVE-2021-0433

HIGH

Android - Tapjacking/Overlay Attack via Bluetooth Device Pairing Dialog

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-0433. PoCs published by Trinadh465.

AI-analyzed exploit summary This repository contains performance test cases for Android's autofill framework, specifically targeting CVE-2021-0433. The code includes test cases for autofill functionality but does not contain an exploit or direct demonstration of the vulnerability.

Description

In onCreate of DeviceChooserActivity.java, there is a possible way to bypass user consent when pairing a Bluetooth device due to a tapjacking/overlay attack. This could lead to local escalation of privilege and pairing malicious devices with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-171221090

Exploits (1)

nomisec WRITEUP
by Trinadh465 · poc
https://github.com/Trinadh465/frameworks_base_AOSP10_r33_CVE-2021-0433

This repository contains performance test cases for Android's autofill framework, specifically targeting CVE-2021-0433. The code includes test cases for autofill functionality but does not contain an exploit or direct demonstration of the vulnerability.

Classification
Writeup 90%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Android Autofill Framework (AOSP 10)
No auth needed
Prerequisites: Android device with autofill framework · Access to performance test environment
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://source.android.com/security/bulletin/2021-04-01

Scores

CVSS v3 8.0
EPSS 0.0055
EPSS Percentile 41.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-1021
Status published
Products (4)
google/android 8.1
google/android 9.0
google/android 10.0
google/android 11.0
Published Apr 13, 2021
Tracked Since Feb 18, 2026