How severe is CVE-2019-20471?

CVE-2019-20471 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-20471 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20471?

CVE-2019-20471 affects Tk-star Q90 Junior Gps Horloge Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20471?

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-2019-20471 published?

CVE-2019-20471 was published on 2021-02-01 and last updated on 2026-06-17.

CVE-2019-20471

CVE-2019-20471 is a high-severity vulnerability in Tk-star Q90 Junior Gps Horloge Firmware with a CVSS 3.x base score of 7.8. 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-798.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
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. When using the device at initial setup, a default password is used (123456) for administrative purposes. There is no prompt to change this password. Note that this password can be used in combination with CVE-2019-20470.

Frequently asked questions

What is CVE-2019-20471?: An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. When using the device at initial setup, a default password is used (123456) for administrative purposes. There is no prompt to change this password. Note that this password can be used in combination with CVE-2019-20470.
How severe is CVE-2019-20471?: CVE-2019-20471 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-20471 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20471?: CVE-2019-20471 affects Tk-star Q90 Junior Gps Horloge Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20471?: 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-2019-20471 published?: CVE-2019-20471 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-2019-20470 — High (CVSS 7.5): An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. It performs actions based on certain…
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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