CVE-2021-28135

Published September 7th, 2021

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CVSS v3

6.5

MEDIUM

CVSS v2

3.3

LOW

Affected

PROJECTS

Description

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (crash) in ESP32 by flooding the target device with LMP Feature Response data.

espressif/esp-idf

Espressif IoT Development Framework. Official development framework for Espressif SoCs.

GitHub

18.2K

espressif/esp32-bt-lib

ESP32 Bluetooth stack (below HCI layer) precompiled libraries

GitHub