Vulnerability in Espressif Esp8266 Nonos Sdk
CVE-2019-12587
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 allows the installation of a zero Pairwise Master Key (PMK) after the completion of any EAP authentication method, which allows attackers in radio range to replay, decrypt, or spoof frames via a rogue access point.
Vulnerability class: POODLE (CVE-2014-3566)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.009 (57.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/espressif (Product)
- github.com/Matheus-Garbelini/esp32_esp8266_attacks (Exploit, Third Party Advisory)
- matheus-garbelini.github.io/home/post/zero-pmk-installation/ (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-12587?
- CVE-2019-12587 is a high-severity vulnerability in Espressif Esp8266 Nonos Sdk, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 8.1/10. Published 2019-09-04.
- How severe is CVE-2019-12587?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2019-12587 known to be exploited?
- 18 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.