CVE-2021-0506

HIGH

Android - Tapjacking/Overlay Attack via ActivityPicker Intent Resolution

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-0506. PoCs published by Satheesh575555.

AI-analyzed exploit summary This repository contains source code files from the Android Open Source Project (AOSP) Settings app, specifically targeting CVE-2021-0506. The files appear to be part of a technical analysis or patch review, as they include modified or vulnerable components such as `ActivityPicker.java` and other Settings-related classes. No exploit code is present, but the files provide context for understanding the vulnerability.

Description

In ActivityPicker.java, there is a possible bypass of user interaction in intent resolution due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-181962311

Exploits (1)

nomisec WRITEUP
by Satheesh575555 · poc
https://github.com/Satheesh575555/packages_apps_Settings_AOSP10_r33_CVE-2021-0506

This repository contains source code files from the Android Open Source Project (AOSP) Settings app, specifically targeting CVE-2021-0506. The files appear to be part of a technical analysis or patch review, as they include modified or vulnerable components such as `ActivityPicker.java` and other Settings-related classes. No exploit code is present, but the files provide context for understanding the vulnerability.

Classification
Writeup 90%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Android Open Source Project (AOSP) Settings app, version 10 r33
No auth needed
Prerequisites: Access to vulnerable AOSP Settings app · Understanding of Android intent handling
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/2021-06-01

Scores

CVSS v3 7.3
EPSS 0.0028
EPSS Percentile 19.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/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 Jun 21, 2021
Tracked Since Feb 18, 2026