{"id":"CVE-2018-20823","aliases":["EUVD-2018-13365","GHSA-wfp8-mqv6-qp3m"],"status":"published","title":"The gyroscope on Xiaomi Mi 5s devices allows attackers to cause a denial of service (resonance...","description":"The gyroscope on Xiaomi Mi 5s devices allows attackers to cause a denial of service (resonance and false data) via a 20.4 kHz audio signal, aka a MEMS ultrasound attack.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01476,"percentile":0.74037,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2019-04-25T13:47:55Z","modified":"2026-06-17T01:53:33Z","products":[{"vendor":"mi","product":"mi_5s_firmware"}],"references":[{"url":"https://medium.com/%40juliodellaflora/ultrassom-pode-causar-anomalias-no-girosc%C3%B3pio-do-xiaomi-mi5s-plus-4050d718bc7f","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://hackaday.com/2018/07/17/freak-out-your-smartphone-with-ultrasound/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20823"},{"url":"https://medium.com/@juliodellaflora/ultrassom-pode-causar-anomalias-no-girosc%C3%B3pio-do-xiaomi-mi5s-plus-4050d718bc7f"},{"url":"https://github.com/advisories/GHSA-wfp8-mqv6-qp3m"}],"sources":{"cve":[{"id":"CVE-2018-20823","description":"The gyroscope on Xiaomi Mi 5s devices allows attackers to cause a denial of service (resonance and false data) via a 20.4 kHz audio signal, aka a MEMS ultrasound attack.","status":"published","published":"2019-04-25T13:47:55Z","modified":"2024-08-05T12:12:27.606Z","updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-13365","description":"The gyroscope on Xiaomi Mi 5s devices allows attackers to cause a denial of service (resonance and false data) via a 20.4 kHz audio signal, aka a MEMS ultrasound attack.","status":"published","published":"2019-04-25T13:47:55Z","modified":"2024-08-05T12:12:27Z","updated_at":"2026-11-03T02:39:29.769885Z"}],"ghsa":[{"id":"GHSA-wfp8-mqv6-qp3m","title":"The gyroscope on Xiaomi Mi 5s devices allows attackers to cause a denial of service (resonance...","description":"The gyroscope on Xiaomi Mi 5s devices allows attackers to cause a denial of service (resonance and false data) via a 20.4 kHz audio signal, aka a MEMS ultrasound attack.","status":"published","published":"2022-05-24T16:44:36Z","modified":"2023-01-31T05:03:58Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:48:35.347496Z"}],"nvd":[{"id":"CVE-2018-20823","description":"The gyroscope on Xiaomi Mi 5s devices allows attackers to cause a denial of service (resonance and false data) via a 20.4 kHz audio signal, aka a MEMS ultrasound attack.","status":"published","published":"2019-04-25T14:29:00.24Z","modified":"2026-06-17T01:53:33.03Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:55.136632Z"}]}}