CVE-2018-20823
UnknownEPSS 1.48%
Last modified
CVE-2018-20823 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.48% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mi | Mi 5s Firmware | All versions |
References
- https://hackaday.com/2018/07/17/freak-out-your-smartphone-with-ultrasound/Exploit, Third Party Advisory
- https://hackaday.com/2018/07/17/freak-out-your-smartphone-with-ultrasound/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2018-20823?
Severity scoring for CVE-2018-20823 is pending analysis. The EPSS model estimates a 1.48% probability of exploitation in the next 30 days.
How do I fix CVE-2018-20823?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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Are you affected by CVE-2018-20823?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST