CVE-2018-20823: Mi 5s Firmware

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

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.

Affected products

• Mi Mi 5s Firmware: affected versions not specified

Published 2019-04-25. Last modified 2026-06-17.