CVE-2021-0683

HIGH

Android - Local Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-0683. PoCs published by nanopathi.

AI-analyzed exploit summary This repository contains functional exploit code for CVE-2021-0683, targeting Android's Autofill framework. The PoC includes test cases that manipulate AutofillManager to trigger the vulnerability, demonstrating improper handling of PendingIntents.

Description

In runTraceIpcStop of ActivityManagerShellCommand.java, there is a possible deletion of system files due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-185398942

Exploits (1)

nomisec WORKING POC
by nanopathi · poc
https://github.com/nanopathi/framework_base_AOSP10_r33_CVE-2021-0683_CVE-2021-0708

This repository contains functional exploit code for CVE-2021-0683, targeting Android's Autofill framework. The PoC includes test cases that manipulate AutofillManager to trigger the vulnerability, demonstrating improper handling of PendingIntents.

Classification
Working Poc 90%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: Android Autofill Framework (AOSP 10)
No auth needed
Prerequisites: Android device with vulnerable Autofill framework · Ability to install/test malicious Autofill service
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/2021-09-01

Scores

CVSS v3 7.8
EPSS 0.0022
EPSS Percentile 12.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (4)
google/android 8.1
google/android 9.0
google/android 10.0
google/android 11.0
Published Oct 06, 2021
Tracked Since Feb 18, 2026