CVE-2021-0475

HIGH

Android -11, Android-10 - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-0475. PoCs published by ShaikUsaf.

AI-analyzed exploit summary This repository contains the Fluoride Bluetooth stack source code, including build instructions and documentation. It does not include an exploit PoC but provides the source code for the vulnerable component (CVE-2021-0475).

Description

In on_l2cap_data_ind of btif_sock_l2cap.cc, there is possible memory corruption due to a use after free. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-10Android ID: A-175686168

Exploits (1)

nomisec WRITEUP
by ShaikUsaf · poc
https://github.com/ShaikUsaf/system_bt_AOSP10_r33_CVE-2021-0475

This repository contains the Fluoride Bluetooth stack source code, including build instructions and documentation. It does not include an exploit PoC but provides the source code for the vulnerable component (CVE-2021-0475).

Classification
Writeup 90%
Attack Type
Other
Complexity
Complex
Reliability
Theoretical
Target: Android Bluetooth stack (Fluoride)
No auth needed
Prerequisites: Access to the vulnerable 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/2021-05-01

Scores

CVSS v3 8.8
EPSS 0.0098
EPSS Percentile 57.5%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (2)
google/android 10.0
google/android 11.0
Published Jun 11, 2021
Tracked Since Feb 18, 2026