CVE-2021-0339

HIGH

Android - Local Privilege Escalation via WindowContainer Animation Handling

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-0339. PoCs published by nanopathi.

AI-analyzed exploit summary This repository contains functional exploit code for CVE-2021-0339, demonstrating an autofill-related vulnerability in Android. The test cases manipulate focus events and autofill service responses to trigger the vulnerability.

Description

In loadAnimation of WindowContainer.java, there is a possible way to keep displaying a malicious app while a target app is brought to the foreground. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-10 Android-8.1 Android-9Android ID: A-145728687

Exploits (1)

nomisec WORKING POC 1 stars
by nanopathi · poc
https://github.com/nanopathi/framework_base_AOSP10_r33_CVE-2021-0339

This repository contains functional exploit code for CVE-2021-0339, demonstrating an autofill-related vulnerability in Android. The test cases manipulate focus events and autofill service responses to trigger the vulnerability.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Android (AOSP 10 r33)
No auth needed
Prerequisites: Android device with autofill service enabled
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 0.0073
EPSS Percentile 49.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-754
Status published
Products (3)
google/android 8.1
google/android 9.0
google/android 10.0
Published Feb 10, 2021
Tracked Since Feb 18, 2026