CVE-2021-0640

HIGH

Android -10, -11, -9 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-0640. PoCs published by Trinadh465.

AI-analyzed exploit summary This repository contains performance test cases for Android's autofill framework, specifically targeting CVE-2021-0640. The code includes test cases for autofill functionality but does not contain an exploit or direct demonstration of the vulnerability.

Description

In noteAtomLogged of StatsdStats.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-9Android ID: A-187957589

Exploits (1)

nomisec WRITEUP
by Trinadh465 · poc
https://github.com/Trinadh465/frameworks_base_AOSP10_r33_CVE-2021-0640

This repository contains performance test cases for Android's autofill framework, specifically targeting CVE-2021-0640. The code includes test cases for autofill functionality but does not contain an exploit or direct demonstration of the vulnerability.

Classification
Writeup 90%
Attack Type
Other
Complexity
Moderate
Reliability
Theoretical
Target: Android Autofill Framework (AOSP 10 r33)
No auth needed
Prerequisites: Android device with autofill framework · Access to performance test environment
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0022
EPSS Percentile 12.0%
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-787
Status published
Products (3)
google/android 9.0
google/android 10.0
google/android 11.0
Published Aug 17, 2021
Tracked Since Feb 18, 2026