CVE-2020-12638

State: Published
Severity: Not scored
Published: Jul 23, 2020
Updated: Aug 4, 2024
Reserved: May 4, 2020

Description

An encryption-bypass issue was discovered on Espressif ESP-IDF devices through 4.2, ESP8266_NONOS_SDK devices through 3.0.3, and ESP8266_RTOS_SDK devices through 3.3. Broadcasting forged beacon frames forces a device to change its authentication mode to OPEN, effectively disabling its 802.11 encryption.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/espressif/esp-idf
https://github.com/espressif/ESP8266_NONOS_SDK
https://github.com/espressif/ESP8266_RTOS_SDK
https://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessors

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