CVEvulnerability
CVE-2020-13594
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-08-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 3.3 LOW — AV:A/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-20
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.
Affected configurations
• espressif esp-idf (<= 4.2)
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://asset-group.github.io/cves.html Third Party Advisory
- https://asset-group.github.io/disclosures/sweyntooth/ Third Party Advisory
- https://github.com/espressif/esp32-bt-lib Third Party Advisory
- https://asset-group.github.io/cves.html Third Party Advisory
- https://asset-group.github.io/disclosures/sweyntooth/ Third Party Advisory
- https://github.com/espressif/esp32-bt-lib Third Party Advisory