CVE-2023-21251

HIGH

Android - Local Privilege Escalation via ConfirmDialog Input Validation Bypass

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-21251. PoCs published by Trinadh465.

AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2023-21251, targeting Android's Autofill framework. The test cases demonstrate how autofill services can be manipulated to trigger performance issues or unexpected behavior.

Description

In onCreate of ConfirmDialog.java, there is a possible way to connect to VNP bypassing user's consent due to improper input validation. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.

Exploits (1)

nomisec WORKING POC
by Trinadh465 · poc
https://github.com/Trinadh465/frameworks_base_AOSP10_r33_CVE-2023-21251

This repository contains a proof-of-concept exploit for CVE-2023-21251, targeting Android's Autofill framework. The test cases demonstrate how autofill services can be manipulated to trigger performance issues or unexpected behavior.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Android Autofill Framework (AOSP 10 r33)
No auth needed
Prerequisites: Access to an Android device with the vulnerable Autofill framework
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 7.3
EPSS 0.0021
EPSS Percentile 11.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-20
Status published
Products (4)
google/android 11.0
google/android 12.0
google/android 13.0
google/android 13.1
Published Jul 13, 2023
Tracked Since Feb 18, 2026