CVE-2020-13594: The Bluetooth Low Energy (BLE) controller implementation in Espressif ESP-IDF 4.2 and earlier (for ESP32 devices) does not properly restrict the channel map…

PriorityP423medium6.5CVSS 3.1

AVAACLPRNUINSUCNINAH

EPSS

0.76%

50.5th percentile

The Bluetooth Low Energy (BLE) controller implementation in Espressif ESP-IDF 4.2 and earlier (for ESP32 devices) does not properly restrict the channel map field of the connection request packet on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
espressif	esp-idf	<= 4.2	—

CVSS provenance

nvdv3.16.5MEDIUMCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv2.03.3LOWAV:A/AC:L/Au:N/C:N/I:N/A:P

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