High severity · published Sep 4, 2019
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…
8.1
CVSS
0.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Esp-idf · Espressif
2.0.0 through 4.0.0 · source: NVD
EN
Esp8266 Nonos Sdk · Espressif
2.2.0 through 3.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-12587
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-12587
Exploit
https://github.com/Matheus-Garbelini/esp32_esp8266_attacks
Product
https://github.com/espressif
Patch
https://matheus-garbelini.github.io/home/post/zero-pmk-installation/
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