CVE Vulnerability

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

7.2 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

6.8 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://youtu.be/yCadG38yZW8 Exploit Third Party Advisory
https://www.usenix.org/sites/default/files/soups2018posters-lau.pdf Technical Description Third Party Advisory
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2020-8994.md Exploit Third Party Advisory
Configurations

Configuration 1
Information

Published : 2020-03-05 04:15

Updated : 2021-07-21 11:39

NVD link : CVE-2020-8994

Mitre link : CVE-2020-8994

Products Affected
No products.
CWE
CWE-287