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CVE-2021-0431

HighPublished

In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure to...

Published: Apr 13, 2021
Updated: Aug 3, 2024
Assigning CNA: google_android
Evidence observed: Aug 6, 2026

Primary CVSS

7.5/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS probability estimate

1.7%

Low · next 30 days

Percentile: 76.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

In avrc_msg_cback of avrc_api.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to remote information disclosure to a paired device with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-8.1 Android-9 Android-10Android ID: A-174149901

Sources

system_bt_AOSP10_r33_CVE-2021-0431Research
Android Bluetooth stack (Fluoride) source code for AOSP 10 r33, specifically related to CVE-2021-0431 Bluetooth vulnerability research and exploitation.
system_bt_AOSP10_r33_CVE-2021-0431Research
Android Bluetooth stack (Fluoride) with a specific patch for CVE-2021-0431, enabling analysis and testing of Bluetooth vulnerabilities in AOSP 10.

Responsible use

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