CVE-2021-0513

HIGH

Android 8.1-11 - Unauthenticated Permission Bypass via NotificationManagerService State Validation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-0513. PoCs published by nanopathi.

AI-analyzed exploit summary This repository contains functional exploit code for CVE-2021-0513, targeting Android's autofill framework. The provided test cases demonstrate the vulnerability by manipulating autofill service interactions, including focus handling and service responses.

Description

In deleteNotificationChannel and related functions of NotificationManagerService.java, there is a possible permission bypass due to improper state validation. This could lead to local escalation of privilege via hidden services with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-156090809

Exploits (1)

nomisec WORKING POC
by nanopathi · poc
https://github.com/nanopathi/framework_base_AOSP10_r33_CVE-2021-0513

This repository contains functional exploit code for CVE-2021-0513, targeting Android's autofill framework. The provided test cases demonstrate the vulnerability by manipulating autofill service interactions, including focus handling and service responses.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Android Autofill Framework (AOSP10_r33)
No auth needed
Prerequisites: Access to Android device with vulnerable autofill framework
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 7.8
EPSS 0.0020
EPSS Percentile 9.8%
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 8.1
google/android 9.0
google/android 10.0
google/android 11.0
Published Jun 21, 2021
Tracked Since Feb 18, 2026