Security Advisory
CVE-2021-28136
6.5
MEDIUM
Vulnerability Description
The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of multiple LMP IO Capability Request packets during the pairing process, allowing attackers in radio range to trigger memory corruption (and consequently a crash) in ESP32 via a replayed (duplicated) LMP packet.
Published Date
September 7, 2021
Official Source
NIST NVD Advisory