High severity7.5NVD Advisory· Published Apr 25, 2019· Updated Jun 17, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Mi/Mi 5s Firmware
cpe:2.3:o:mi:mi_5s_firmware:-:*:*:*:*:*:*:*
Xiaomi/Mi 5sllm-fuzzy

Patches

Vulnerability mechanics

References

hackaday.com/2018/07/17/freak-out-your-smartphone-with-ultrasound/nvdExploitThird Party Advisory
medium.com/%40juliodellaflora/ultrassom-pode-causar-anomalias-no-girosc%C3%B3pio-do-xiaomi-mi5s-plus-4050d718bc7fnvd

News mentions

No linked articles in our index yet.

cvss	0.488
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000