CVE-2021-0329

HIGH

Android - Out-of-bounds Write in AdvertiseManager Bluetooth Functions

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-0329. PoCs published by ShaikUsaf.

AI-analyzed exploit summary This repository contains source code files from the Android Bluetooth stack, specifically focusing on the A2DP, AVRCP, and other Bluetooth-related components. The code appears to be a snapshot of the vulnerable codebase for CVE-2021-0329, which is a heap overflow vulnerability in the Android Bluetooth stack, but does not include an actual exploit or proof-of-concept code.

Description

In several native functions called by AdvertiseManager.java, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege in the Bluetooth server with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-9 Android-10 Android-11 Android-8.1Android ID: A-171400004

Exploits (1)

nomisec WRITEUP 1 stars
by ShaikUsaf · poc
https://github.com/ShaikUsaf/packages_apps_Bluetooth_AOSP10_r33_CVE-2021-0329

This repository contains source code files from the Android Bluetooth stack, specifically focusing on the A2DP, AVRCP, and other Bluetooth-related components. The code appears to be a snapshot of the vulnerable codebase for CVE-2021-0329, which is a heap overflow vulnerability in the Android Bluetooth stack, but does not include an actual exploit or proof-of-concept code.

Classification
Writeup 90%
Attack Type
Other
Complexity
Complex
Reliability
Theoretical
Target: Android Bluetooth stack (AOSP 10 r33)
No auth needed
Prerequisites: Access to the vulnerable Android Bluetooth stack
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 0.0026
EPSS Percentile 16.8%
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 (4)
google/android 8.1
google/android 9.0
google/android 10.0
google/android 11.0
Published Feb 10, 2021
Tracked Since Feb 18, 2026