CVE-2021-0336

HIGH

Android 8.1-11 - Local Privilege Escalation via Mutable PendingIntent in BluetoothPermissionRequest

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-0336. PoCs published by Trinadh465.

AI-analyzed exploit summary This repository contains source code files from the Android Open Source Project (AOSP) Settings app, specifically for AOSP10 r33, which is associated with CVE-2021-0336. The files appear to be part of a technical analysis or patch review, as they include modified or vulnerable components such as ActivityPicker and other Settings-related classes.

Description

In onReceive of BluetoothPermissionRequest.java, there is a possible permissions bypass due to a mutable PendingIntent. This could lead to local escalation of privilege that bypasses a permission check, with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-158219161

Exploits (1)

nomisec WRITEUP
by Trinadh465 · poc
https://github.com/Trinadh465/packages_apps_Settings_AOSP10_r33_CVE-2021-0336

This repository contains source code files from the Android Open Source Project (AOSP) Settings app, specifically for AOSP10 r33, which is associated with CVE-2021-0336. The files appear to be part of a technical analysis or patch review, as they include modified or vulnerable components such as ActivityPicker and other Settings-related classes.

Classification
Writeup 90%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Android Open Source Project (AOSP) Settings, version 10 r33
No auth needed
Prerequisites: Access to the vulnerable AOSP Settings component · Understanding of the specific vulnerability in CVE-2021-0336
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/2021-02-01

Scores

CVSS v3 7.8
EPSS 0.0026
EPSS Percentile 17.0%
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-732
Status published
Products (4)
google/android 8.1
google/android 9.0
google/android 10.0
google/android 11.0
Published Feb 10, 2021
Tracked Since Feb 18, 2026