How severe is CVE-2019-20470?

CVE-2019-20470 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-20470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20470?

CVE-2019-20470 affects Tk-star Q90 Junior Gps Horloge Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20470?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-20470 published?

CVE-2019-20470 was published on 2021-02-01 and last updated on 2026-06-17.

CVE-2019-20470

CVE-2019-20470 is a high-severity vulnerability in Tk-star Q90 Junior Gps Horloge Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1188.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1188
Affected product: Tk-star Q90 Junior Gps Horloge Firmware
Published: 2021-02-01
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-20470?: 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.
How severe is CVE-2019-20470?: CVE-2019-20470 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-20470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20470?: CVE-2019-20470 affects Tk-star Q90 Junior Gps Horloge Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20470?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-20470 published?: CVE-2019-20470 was published on 2021-02-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:tk-star:q90_junior_gps_horloge_firmware:3.1042.9.8656:*:*:*:*:*:*:*

More vulnerabilities in Tk-star Q90 Junior Gps Horloge Firmware

CVE-2019-20468 — Critical (CVSS 9.8): An issue was discovered in SeTracker2 for TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. It has unnecessary…
CVE-2019-20471 — High (CVSS 7.8): An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. When using the device at initial…
CVE-2019-20473 — Medium (CVSS 6.8): An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. Any SIM card used with the device…

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