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High severity · published Apr 25, 2019
CVE-2018-20823
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
7.5
CVSS
1.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
M5
MI 5s Firmware · MI
All versions, or not specified · source: NVD
Affected product
M5
MI 5s Firmware
MI
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-20823
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-20823
Exploit
https://hackaday.com/2018/07/17/freak-out-your-smartphone-with-ultrasound/
medium.com
https://medium.com/%40juliodellaflora/ultrassom-pode-causar-anomalias-no-girosc%C3%B3pio-do-xiaomi-mi5s-plus-4050d718bc7f