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CVE-2020-12638

CVE-2020-12638

EPSS 0.5%
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.
Affected products
n/a · n/a

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References
https://github.com/espressif/ESP8266_NONOS_SDKhttps://github.com/espressif/ESP8266_RTOS_SDKhttps://github.com/espressif/esp-idfhttps://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessors