CVE-2023-20944

HIGH

Android - Local Privilege Escalation via Unsafe Deserialization in ChooseTypeAndAccountActivity

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-20944. PoCs published by Trinadh465.

AI-analyzed exploit summary This repository contains a proof-of-concept exploit for CVE-2023-20944, targeting Android's autofill framework. The code includes test cases and a custom autofill service to demonstrate the vulnerability, likely involving improper handling of autofill requests.

Description

In run of ChooseTypeAndAccountActivity.java, there is a possible escalation of privilege due to unsafe deserialization. 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-12 Android-12L Android-13Android ID: A-244154558

Exploits (1)

nomisec WORKING POC
by Trinadh465 · poc
https://github.com/Trinadh465/frameworks_base_CVE-2023-20944

This repository contains a proof-of-concept exploit for CVE-2023-20944, targeting Android's autofill framework. The code includes test cases and a custom autofill service to demonstrate the vulnerability, likely involving improper handling of autofill requests.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Moderate
Reliability
Reliable
Target: Android frameworks/base (Autofill service)
No auth needed
Prerequisites: Android device with vulnerable autofill service
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0019
EPSS Percentile 8.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-502
Status published
Products (5)
google/android 10.0
google/android 11.0
google/android 12.0
google/android 12.1
google/android 13.0
Published Feb 28, 2023
Tracked Since Feb 18, 2026