VULNERABILITY INTELLIGENCE

CVE-2020-13594

CVSS score6.5 MEDIUM
EPSS probability0.81%
CISA KEVNot currently listed
Published2020-08-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

  • nvd@nist.gov: CWE-20

Primary references