CVE-2019-20470

Name: CVE-2019-20470
Creator: NVD / NIST
Published: 2021-02-01T21:15:13.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.93%

Last modified Jun 17, 2026

CVE-2019-20470 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. It performs actions based on certain SMS commands. EPSS estimates a 1.93% chance of exploitation in the next 30 days.

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., pw,<password>,call,<mobile_number> triggers an outbound call from the watch. The password is sometimes available because of CVE-2019-20471.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.93%

77.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Tk-Star	Q90 Junior Gps Horloge Firmware	3.1042.9.8656

References

http://seclists.org/fulldisclosure/2024/Jul/14
https://www.eurofins-cybersecurity.com/news/connected-devices-smart-watches/Third Party Advisory
https://www.tk-star.comVendor Advisory
http://seclists.org/fulldisclosure/2024/Jul/14
https://www.eurofins-cybersecurity.com/news/connected-devices-smart-watches/Third Party Advisory
https://www.tk-star.comVendor Advisory

Timeline

Published: Feb 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20470?

How severe is CVE-2019-20470?

CVE-2019-20470 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.93% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20470?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20470?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST