CVE-2021-0331

HIGH

Android 8.1-11 - Local Privilege Escalation via Notification Access Overlay Attack

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-0331. PoCs published by Satheesh575555.

AI-analyzed exploit summary The repository contains source code files from the Android Open Source Project (AOSP) Settings app, specifically for version AOSP10_r33, which is associated with CVE-2021-0331. The files include various Java classes, but no explicit exploit code or technical analysis is provided.

Description

In onCreate of NotificationAccessConfirmationActivity.java, there is a possible overlay attack due to an insecure default value. This could lead to local escalation of privilege and notification access with User execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-170731783

Exploits (1)

nomisec WRITEUP
by Satheesh575555 · poc
https://github.com/Satheesh575555/packages_apps_Settings_AOSP10_r33_CVE-2021-0331

The repository contains source code files from the Android Open Source Project (AOSP) Settings app, specifically for version AOSP10_r33, which is associated with CVE-2021-0331. The files include various Java classes, but no explicit exploit code or technical analysis is provided.

Classification
Writeup 90%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Android Open Source Project (AOSP) Settings app, version AOSP10_r33
No auth needed
Prerequisites: Access to the vulnerable AOSP Settings app
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 7.3
EPSS 0.0027
EPSS Percentile 19.0%
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 Feb 10, 2021
Tracked Since Feb 18, 2026