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

CVSS v3.0 6.8 MEDIUM
CVSS v2.0 7.2 HIGH

6.8^/10

CVSS v3.0 : MEDIUM

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

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

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

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Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:mi:mdz-25-dt_firmware:1.34.36:::::::*
	cpe:2.3:o:mi:mdz-25-dt_firmware:1.40.14:::::::*

cpe:2.3:h:mi:mdz-25-dt:-:*:*:*:*:*:*:*

Information

Published : 2020-03-05 08:15

Updated : 2021-07-21 04:39

NVD link : CVE-2020-8994

Mitre link : CVE-2020-8994

JSON object : View

CWE

CWE-287

Improper Authentication

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Products Affected

mi

mdz-25-dt_firmware
mdz-25-dt

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