CVE DATABASE / CVE-2020-8994
CVE-2020-8994
Summary
An issue was discovered on XIAOMI AI speaker MDZ-25-DT 1.34.36, and 1.40.14. Attackers can get root shell by accessing the UART interface and then they can read Wi-Fi SSID or password, read the dialogue text files between users and XIAOMI AI speaker, use Text-To-Speech tools pretend XIAOMI speakers' voice achieve social engineering attacks, eavesdrop on users and record what XIAOMI AI speaker hears, delete the entire XIAOMI AI speaker system, modify system files, stop voice assistant service, start the XIAOMI AI speaker’s SSH service as a backdoor
CVSS 3.1 breakdown
| Base score | 6.8 (MEDIUM) |
| Vector | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | PHYSICAL |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
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References
- https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2020-8994.md
- https://www.usenix.org/sites/default/files/soups2018posters-lau.pdf
- https://youtu.be/yCadG38yZW8
Data: NIST NVD. NVD last modified 2024-11-21. Always verify against the vendor advisory before acting.