ID

VAR-202102-0139


CVE

CVE-2019-20471


TITLE

TK-Star Q90 Junior GPS horloge  Vulnerability in using hard-coded credentials on devices

Trust: 0.8

sources: JVNDB: JVNDB-2019-016202

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. TK-Star Q90 Junior GPS horloge A device contains a vulnerability in the use of hard-coded credentials.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. 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. ------------------------------------------ [VulnerabilityType Other] Remote audio connection without explicit approval ------------------------------------------ [Vendor of Product] TK-star ------------------------------------------ [Affected Product Code Base] TK-Star Q90 Junior GPS horloge - 3.1042.9.8656 ------------------------------------------ [Affected Component] Smartwatch ------------------------------------------ [Attack Type] Remote ------------------------------------------ [Impact Code execution] true ------------------------------------------ [Impact Information Disclosure] true ------------------------------------------ [Attack Vectors] An attacker needs to send an SMS to the device's mobile number. Knowledge of the mobile number is required before this vulnerability can be exploited. ------------------------------------------ [Has vendor confirmed or acknowledged the vulnerability?] true ------------------------------------------ [Discoverer] Dennis van Warmerdam, Jasper Nota, Jim Blankendaal ------------------------------------------ [Reference] https://www.tk-star.com Use CVE-2019-20470

Trust: 1.89

sources: NVD: CVE-2019-20471 // JVNDB: JVNDB-2019-016202 // VULMON: CVE-2019-20471 // PACKETSTORM: 179820 // PACKETSTORM: 179819

AFFECTED PRODUCTS

vendor:tk starmodel:q90 junior gps horlogescope:eqversion:3.1042.9.8656

Trust: 1.0

vendor:tkstarmodel:q90 junior gps horlogescope:eqversion:q90 junior gps horloge firmware 3.1042.9.8656

Trust: 0.8

vendor:tkstarmodel:q90 junior gps horlogescope:eqversion: -

Trust: 0.8

sources: JVNDB: JVNDB-2019-016202 // NVD: CVE-2019-20471

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2019-20471
value: HIGH

Trust: 1.0

134c704f-9b21-4f2e-91b3-4a467353bcc0: CVE-2019-20471
value: HIGH

Trust: 1.0

NVD: CVE-2019-20471
value: HIGH

Trust: 0.8

CNNVD: CNNVD-202102-007
value: HIGH

Trust: 0.6

VULMON: CVE-2019-20471
value: HIGH

Trust: 0.1

nvd@nist.gov: CVE-2019-20471
severity: HIGH
baseScore: 7.2
vectorString: AV:L/AC:L/AU:N/C:C/I:C/A:C
accessVector: LOCAL
accessComplexity: LOW
authentication: NONE
confidentialityImpact: COMPLETE
integrityImpact: COMPLETE
availabilityImpact: COMPLETE
exploitabilityScore: 3.9
impactScore: 10.0
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.9

nvd@nist.gov: CVE-2019-20471
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: 1.8
impactScore: 5.9
version: 3.1

Trust: 2.0

NVD: CVE-2019-20471
baseSeverity: HIGH
baseScore: 7.8
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
attackVector: LOCAL
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: HIGH
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULMON: CVE-2019-20471 // JVNDB: JVNDB-2019-016202 // CNNVD: CNNVD-202102-007 // NVD: CVE-2019-20471 // NVD: CVE-2019-20471

PROBLEMTYPE DATA

problemtype:CWE-798

Trust: 1.0

problemtype:Using hardcoded credentials (CWE-798) [NVD Evaluation ]

Trust: 0.8

sources: JVNDB: JVNDB-2019-016202 // NVD: CVE-2019-20471

THREAT TYPE

local

Trust: 0.6

sources: CNNVD: CNNVD-202102-007

TYPE

trust management problem

Trust: 0.6

sources: CNNVD: CNNVD-202102-007

PATCH

title:Top Pageurl:https://www.tk-star.com/

Trust: 0.8

sources: JVNDB: JVNDB-2019-016202

EXTERNAL IDS

db:NVDid:CVE-2019-20471

Trust: 2.8

db:JVNDBid:JVNDB-2019-016202

Trust: 0.8

db:CNNVDid:CNNVD-202102-007

Trust: 0.6

db:OTHERid:NONE

Trust: 0.1

db:VULMONid:CVE-2019-20471

Trust: 0.1

db:PACKETSTORMid:179820

Trust: 0.1

db:PACKETSTORMid:179819

Trust: 0.1

sources: OTHER: None // VULMON: CVE-2019-20471 // JVNDB: JVNDB-2019-016202 // PACKETSTORM: 179820 // PACKETSTORM: 179819 // CNNVD: CNNVD-202102-007 // NVD: CVE-2019-20471

REFERENCES

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

Trust: 2.5

url:https://www.tk-star.com

Trust: 1.9

url:https://nvd.nist.gov/vuln/detail/cve-2019-20471

Trust: 1.6

url:http://seclists.org/fulldisclosure/2024/jul/14

Trust: 1.0

url:https://nvd.nist.gov/vuln/detail/cve-2019-20470

Trust: 0.2

url:https://cwe.mitre.org/data/definitions/798.html

Trust: 0.1

url:https://nvd.nist.gov

Trust: 0.1

sources: VULMON: CVE-2019-20471 // JVNDB: JVNDB-2019-016202 // PACKETSTORM: 179820 // PACKETSTORM: 179819 // CNNVD: CNNVD-202102-007 // NVD: CVE-2019-20471

CREDITS

Jasper Nota, Jim Blankendaal, Dennis van Warmerdam

Trust: 0.2

sources: PACKETSTORM: 179820 // PACKETSTORM: 179819

SOURCES

db:OTHERid: -
db:VULMONid:CVE-2019-20471
db:JVNDBid:JVNDB-2019-016202
db:PACKETSTORMid:179820
db:PACKETSTORMid:179819
db:CNNVDid:CNNVD-202102-007
db:NVDid:CVE-2019-20471

LAST UPDATE DATE

2025-01-30T21:58:13.315000+00:00


SOURCES UPDATE DATE

db:VULMONid:CVE-2019-20471date:2021-02-05T00:00:00
db:JVNDBid:JVNDB-2019-016202date:2021-10-19T07:35:00
db:CNNVDid:CNNVD-202102-007date:2021-02-09T00:00:00
db:NVDid:CVE-2019-20471date:2024-11-21T04:38:33.853

SOURCES RELEASE DATE

db:OTHERid: - date:2024-07-26T13:11:06
db:VULMONid:CVE-2019-20471date:2021-02-01T00:00:00
db:JVNDBid:JVNDB-2019-016202date:2021-10-19T00:00:00
db:PACKETSTORMid:179820date:2024-07-30T12:35:43
db:PACKETSTORMid:179819date:2024-07-30T12:35:43
db:CNNVDid:CNNVD-202102-007date:2021-02-01T00:00:00
db:NVDid:CVE-2019-20471date:2021-02-01T21:15:13.670