CVE Vulnerability

CVE-2021-28135

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.

3.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.5 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/espressif/esp32-bt-lib Third Party Advisory
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Broken Link
https://www.espressif.com/en/products/socs/esp32 Product
https://github.com/espressif/esp-idf Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*
Information

Published : 2021-09-07 06:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-28135

Mitre link : CVE-2021-28135

Products Affected
No products.
CWE
NVD-CWE-Other