CVE-2020-13594

EUVD-2020-5841
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 35%
Affected Products (NVD)
VendorProductVersion
espressifesp-idf
𝑥
≤ 4.2
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://asset-group.github.io/cves.html
https://asset-group.github.io/disclosures/sweyntooth/
https://github.com/espressif/esp32-bt-lib
https://asset-group.github.io/cves.html
https://asset-group.github.io/disclosures/sweyntooth/
https://github.com/espressif/esp32-bt-lib