CVE-2020-0023

MEDIUM

Android 10 - Missing Authorization Check in AdapterService

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2020-0023. PoCs published by 362902755.

AI-analyzed exploit summary This repository contains a detailed analysis of CVE-2020-0023, focusing on the Bluetooth subsystem vulnerability in Android 9. It includes logs, GDB sessions, and discussions on exploiting a memcpy overflow condition.

Description

In setPhonebookAccessPermission of AdapterService.java, there is a possible disclosure of user contacts over bluetooth due to a missing permission check. This could lead to local information disclosure if a malicious app enables contacts over a bluetooth connection, with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10Android ID: A-145130871

Exploits (1)

nomisec WRITEUP
by 362902755 · poc
https://github.com/362902755/CVE-2020-0023

This repository contains a detailed analysis of CVE-2020-0023, focusing on the Bluetooth subsystem vulnerability in Android 9. It includes logs, GDB sessions, and discussions on exploiting a memcpy overflow condition.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Complex
Reliability
Theoretical
Target: Android 9.0 Bluetooth subsystem
No auth needed
Prerequisites: Physical proximity to target device · Bluetooth enabled on target device
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://source.android.com/security/bulletin/2020-02-01

Scores

CVSS v3 5.5
EPSS 0.0011
EPSS Percentile 29.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-862
Status published
Products (1)
google/android 10.0
Published Feb 13, 2020
Tracked Since Feb 18, 2026