CVE-2020-13595
MEDIUMEspressif ESP-IDF 4.0-4.2 - Denial of Service via BLE Packet MIC Failure
Title source: llmDescription
The Bluetooth Low Energy (BLE) controller implementation in Espressif ESP-IDF 4.0 through 4.2 (for ESP32 devices) returns the wrong number of completed BLE packets and triggers a reachable assertion on the host stack when receiving a packet with an MIC failure. An attacker within radio range can silently trigger the assertion (which disables the target's BLE stack) by sending a crafted sequence of BLE packets.
References (3)
Core 3
Core References
Third Party Advisory x_refsource_misc
https://asset-group.github.io/disclosures/sweyntooth/
Third Party Advisory x_refsource_misc
https://asset-group.github.io/cves.html
Third Party Advisory x_refsource_misc
https://github.com/espressif/esp32-bt-lib
Scores
CVSS v3
6.5
EPSS
0.0087
EPSS Percentile
54.0%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-617
Status
published
Products (1)
espressif/esp-idf
4.0.0 - 4.2
Published
Aug 31, 2020
Tracked Since
Feb 18, 2026