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CVE-2019-12587

N/A
Published: September 4, 2019 at 11:31 AM UTC
Updated: June 17, 2026 at 02:14 AM UTC
2 products affected across 1 vendorEsp IdfESP8266 Nonos SDK

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Severity
N/A
Exploit prediction
EPSS 0.9%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Esp Idf· Espressif
95%
2.0.0 ≤ v ≤ 4.0.0
ESP8266 Nonos SDK· Espressif
95%
2.2.0 ≤ v ≤ 3.1.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/Matheus-Garbelini/esp32_esp8266_attacks
x_refsource_MISCProduct
Source: [email protected]
https://github.com/espressif
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://matheus-garbelini.github.io/home/post/zero-pmk-installation/

CVSS

4.8MEDIUM[email protected]
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-327

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