{"containers":{"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2020-07-23T15:41:58.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"tags":["x_refsource_MISC"],"url":"https://github.com/espressif/esp-idf"},{"tags":["x_refsource_MISC"],"url":"https://github.com/espressif/ESP8266_NONOS_SDK"},{"tags":["x_refsource_MISC"],"url":"https://github.com/espressif/ESP8266_RTOS_SDK"},{"tags":["x_refsource_MISC"],"url":"https://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessors"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-12638","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/espressif/esp-idf","refsource":"MISC","url":"https://github.com/espressif/esp-idf"},{"name":"https://github.com/espressif/ESP8266_NONOS_SDK","refsource":"MISC","url":"https://github.com/espressif/ESP8266_NONOS_SDK"},{"name":"https://github.com/espressif/ESP8266_RTOS_SDK","refsource":"MISC","url":"https://github.com/espressif/ESP8266_RTOS_SDK"},{"name":"https://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessors","refsource":"MISC","url":"https://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessors"}]}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T12:04:22.314Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/espressif/esp-idf"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/espressif/ESP8266_NONOS_SDK"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/espressif/ESP8266_RTOS_SDK"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://lbsfilm.at/blog/wpa2-authenticationmode-downgrade-in-espressif-microprocessors"}]}]},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2020-12638","datePublished":"2020-07-23T15:41:58.000Z","dateReserved":"2020-05-04T00:00:00.000Z","dateUpdated":"2024-08-04T12:04:22.314Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}