Vulnerability Details CVE-2020-8994
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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 40.2%
CVSS Severity
CVSS v3 Score 6.8
CVSS v2 Score 7.2
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
- 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
Products affected by CVE-2020-8994
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cpe:2.3:h:mi:mdz-25-dt:-
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cpe:2.3:o:mi:mdz-25-dt_firmware:1.34.36
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cpe:2.3:o:mi:mdz-25-dt_firmware:1.40.14