CVE-2018-20823

CVSS V2 Medium 5 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2018-20823
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-04-25T14:29:00
  • Last Modified Date
  • 2022-09-22T14:46:17
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:mi:mi_5s_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:mi:mi_5s:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://medium.com/@juliodellaflora/ultrassom-pode-causar-anomalias-no-girosc%C3%B3pio-do-xiaomi-mi5s-plus-4050d718bc7f Exploit Third Party Advisory
https://hackaday.com/2018/07/17/freak-out-your-smartphone-with-ultrasound/ Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-20823
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20823
History
Created Old Value New Value Data Type Notes
2022-05-10 07:53:53 Added to TrackCVE
2022-12-03 20:04:28 2019-04-25T14:29Z 2019-04-25T14:29:00 CVE Published Date updated
2022-12-03 20:04:28 2022-09-22T14:46:17 CVE Modified Date updated
2022-12-03 20:04:28 Analyzed Vulnerability Status updated