{"id":"CVE-2019-12587","aliases":["EUVD-2019-4181","GHSA-7ff7-896h-mmfv"],"status":"published","title":"The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and ESP8266_NONOS_SDK 2.2.0...","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.","severity":{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00875,"percentile":0.59445,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327"],"published":"2019-09-04T11:31:48Z","modified":"2026-06-17T02:14:55Z","products":[{"vendor":"espressif","product":"esp-idf"},{"vendor":"espressif","product":"esp8266_nonos_sdk"}],"references":[{"url":"https://github.com/espressif","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://github.com/Matheus-Garbelini/esp32_esp8266_attacks","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://matheus-garbelini.github.io/home/post/zero-pmk-installation/","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12587"},{"url":"https://github.com/advisories/GHSA-7ff7-896h-mmfv"}],"sources":{"cve":[{"id":"CVE-2019-12587","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.","status":"published","published":"2019-09-04T11:31:48Z","modified":"2024-08-04T23:24:38.689Z","updated_at":"2026-11-02T14:20:24.025419Z"}],"euvd":[{"id":"EUVD-2019-4181","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.","status":"published","published":"2019-09-04T11:31:48Z","modified":"2024-08-04T23:24:38Z","updated_at":"2026-11-03T02:40:45.434408Z"}],"ghsa":[{"id":"GHSA-7ff7-896h-mmfv","title":"The EAP peer implementation in Espressif ESP-IDF 2.0.0 through 4.0.0 and ESP8266_NONOS_SDK 2.2.0...","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.","status":"published","published":"2022-05-24T16:55:25Z","modified":"2023-01-28T05:07:06Z","updated_at":"2026-11-02T14:44:29.724528Z"}],"nvd":[{"id":"CVE-2019-12587","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.","status":"published","published":"2019-09-04T12:15:11.043Z","modified":"2026-06-17T02:14:55.183Z","cvss":[{"version":"3.0","score":8.1,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":4.8,"vector":"AV:A/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:05:25.691233Z"}]}}