{"id":"CVE-2019-17391","aliases":["EUVD-2019-7795","GHSA-6fg6-6393-xqhq"],"status":"published","title":"An issue was discovered in the Espressif ESP32 mask ROM code 2016-06-08 0 through 2. Lack of anti...","description":"An issue was discovered in the Espressif ESP32 mask ROM code 2016-06-08 0 through 2. Lack of anti-glitch mitigations in the first stage bootloader of the ESP32 chip allows an attacker (with physical access to the device) to read the contents of read-protected eFuses, such as flash encryption and secure boot keys, by injecting a glitch into the power supply of the chip shortly after reset.","severity":{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00235,"percentile":0.1459,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-755"],"published":"2019-11-14T20:34:03Z","modified":"2026-06-17T02:23:52Z","products":[{"vendor":"espressif","product":"esp32-d0wd_firmware"},{"vendor":"espressif","product":"esp32-d2wd_firmware"},{"vendor":"espressif","product":"esp32-pico-d4_firmware"},{"vendor":"espressif","product":"esp32-s0wd_firmware"}],"references":[{"url":"https://www.espressif.com/en/news/Security_Advisory_Concerning_Fault_Injection_and_eFuse_Protections","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-17391"},{"url":"https://github.com/advisories/GHSA-6fg6-6393-xqhq"}],"sources":{"cve":[{"id":"CVE-2019-17391","description":"An issue was discovered in the Espressif ESP32 mask ROM code 2016-06-08 0 through 2. Lack of anti-glitch mitigations in the first stage bootloader of the ESP32 chip allows an attacker (with physical access to the device) to read the contents of read-protected eFuses, such as flash encryption and secure boot keys, by injecting a glitch into the power supply of the chip shortly after reset.","status":"published","published":"2019-11-14T20:34:03Z","modified":"2024-08-05T01:40:15.26Z","updated_at":"2026-11-02T14:20:24.678649Z"}],"euvd":[{"id":"EUVD-2019-7795","description":"An issue was discovered in the Espressif ESP32 mask ROM code 2016-06-08 0 through 2. Lack of anti-glitch mitigations in the first stage bootloader of the ESP32 chip allows an attacker (with physical access to the device) to read the contents of read-protected eFuses, such as flash encryption and secure boot keys, by injecting a glitch into the power supply of the chip shortly after reset.","status":"published","published":"2019-11-14T20:34:03Z","modified":"2024-08-05T01:40:15Z","updated_at":"2026-11-03T02:40:29.78058Z"}],"ghsa":[{"id":"GHSA-6fg6-6393-xqhq","title":"An issue was discovered in the Espressif ESP32 mask ROM code 2016-06-08 0 through 2. Lack of anti...","description":"An issue was discovered in the Espressif ESP32 mask ROM code 2016-06-08 0 through 2. Lack of anti-glitch mitigations in the first stage bootloader of the ESP32 chip allows an attacker (with physical access to the device) to read the contents of read-protected eFuses, such as flash encryption and secure boot keys, by injecting a glitch into the power supply of the chip shortly after reset.","status":"published","published":"2022-05-24T17:01:18Z","modified":"2023-01-28T05:07:43Z","updated_at":"2026-11-02T14:44:34.06652Z"}],"nvd":[{"id":"CVE-2019-17391","description":"An issue was discovered in the Espressif ESP32 mask ROM code 2016-06-08 0 through 2. Lack of anti-glitch mitigations in the first stage bootloader of the ESP32 chip allows an attacker (with physical access to the device) to read the contents of read-protected eFuses, such as flash encryption and secure boot keys, by injecting a glitch into the power supply of the chip shortly after reset.","status":"published","published":"2019-11-14T21:15:12.03Z","modified":"2026-06-17T02:23:52.337Z","cvss":[{"version":"3.1","score":4.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-755"],"updated_at":"2026-11-02T14:05:37.024431Z"}]}}