CVE-2019-20473

MEDIUM

TK-Star Q90 Junior GPS Horloge Firmware 3.1042.9.8656 - Improper Access Control via SIM PIN Bypass

Title source: llm

Description

An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. Any SIM card used with the device cannot have a PIN configured. If a PIN is configured, the device simply produces a "Remove PIN and restart!" message, and cannot be used. This makes it easier for an attacker to use the SIM card by stealing the device.

References (3)

Core 3

Core References

Mailing List mailing-list

http://seclists.org/fulldisclosure/2024/Jul/14

Third Party Advisory

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

Vendor Advisory

https://www.tk-star.com

Scores

CVSS v3 6.8

EPSS 0.0039

EPSS Percentile 31.3%

Attack Vector PHYSICAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-284

Status published

Products (1)

tk-star/q90_junior_gps_horloge_firmware 3.1042.9.8656

Published Feb 01, 2021

Tracked Since Feb 18, 2026