CVE-2021-28135

2021-09-0706:15:07

Google

osv.dev

6.8 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

50.5%

JSON

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.

CPENameOperatorVersion
esp-idfeq3.1-de
esp-idfeq0.9
esp-idfeq3.0-de
esp-idfeq4.4-de
esp-idfeq4.3-de
esp-idfeq4.2-de
esp-idfeq3.1-beta1
esp-idfeq1.0
esp-idfeq3.2-beta1
esp-idfeq4.3-beta1

Name	Operator	Version
esp-idf	eq	3.1-de
esp-idf	eq	0.9
esp-idf	eq	3.0-de
esp-idf	eq	4.4-de
esp-idf	eq	4.3-de
esp-idf	eq	4.2-de
esp-idf	eq	3.1-beta1
esp-idf	eq	1.0
esp-idf	eq	3.2-beta1
esp-idf	eq	4.3-beta1