CVE-2019-20470 Information

Description

An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. It performs actions based on certain SMS commands. This can be used to set up a voice communication channel from the watch to any telephone number initiated by sending a specific SMS and using the default password e.g. pwcall<mobile_number> triggers an outbound call from the watch. The password is sometimes available because of CVE-2019-20471.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

https://www.tk-star.com https://www.eurofins-cybersecurity.com/news/connected-devices-smart-watches/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5