Vulnerability in Espressif Arduino-Esp32
CVE-2019-12586
The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and ESP8266_NONOS_SDK 2.2.0 through 3.1.0 processes EAP Success messages before any EAP method completion or failure, which allows attackers in radio range to cause a denial of service (crash) via a crafted message.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Espressif Arduino-Esp32 — versions 1.0.3
- Espressif Esp8266 Nonos Sdk
- Espressif Esp-Idf
Public proof-of-concept exploits
References
- github.com/espressif (Third Party Advisory)
- github.com/Matheus-Garbelini/esp32_esp8266_attacks (Exploit, Third Party Advisory)
- matheus-garbelini.github.io/home/post/esp32-esp8266-eap-crash/ (Exploit, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-12586?
- CVE-2019-12586 is a medium-severity vulnerability in Espressif Arduino-Esp32. CVSS score: 6.5/10. Published 2019-09-04.
- How severe is CVE-2019-12586?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-12586 known to be exploited?
- 23 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.