CVE-2021-39434 - Vulnerability Details - OpenCVE

A default username and password for an administrator account was discovered in ZKTeco ZKTime 10.0 through 11.1.0, builds 20180901, 20190510.1, 20200309.3, 20200930, 20201231, and 20210220.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Zkteco	Zktime

Configuration 1 [-]

OR	cpe:2.3:a:zkteco:zktime::::::::
	cpe:2.3:a:zkteco:zktime:11.1.0:-::::::
	cpe:2.3:a:zkteco:zktime:11.1.0:20180901::::::
	cpe:2.3:a:zkteco:zktime:11.1.0:20190510.1::::::
	cpe:2.3:a:zkteco:zktime:11.1.0:20200309.3::::::
	cpe:2.3:a:zkteco:zktime:11.1.0:20200930::::::
	cpe:2.3:a:zkteco:zktime:11.1.0:20201231::::::
	cpe:2.3:a:zkteco:zktime:11.1.0:20210220::::::

No data.

References

Link	Providers
https://www.cnvd.org.cn/flaw/show/CNVD-2018-26041

History

Thu, 24 Apr 2025 14:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-12-05T00:00:00.000Z

Updated: 2025-04-24T13:28:02.419Z

Reserved: 2021-08-23T00:00:00.000Z

Link: CVE-2021-39434

Vulnrichment

Updated: 2024-08-04T02:06:42.609Z

NVD

Status : Modified

Published: 2022-12-06T00:15:09.957

Modified: 2025-04-24T14:15:31.740

Link: CVE-2021-39434

Redhat

No data.

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:zkteco:zktime:*:*:*:*:*:*:*:*", "matchCriteriaId": "C5A01499-5672-4078-A6CC-828FA58243B7", "versionEndIncluding": "11.1.0", "versionStartIncluding": "10.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:zkteco:zktime:11.1.0:-:*:*:*:*:*:*", "matchCriteriaId": "97047868-500B-4049-9698-D198D2076119", "vulnerable": true}, {"criteria": "cpe:2.3:a:zkteco:zktime:11.1.0:20180901:*:*:*:*:*:*", "matchCriteriaId": "01DC8AC1-5878-4F1D-91EB-75EA931E16D4", "vulnerable": true}, {"criteria": "cpe:2.3:a:zkteco:zktime:11.1.0:20190510.1:*:*:*:*:*:*", "matchCriteriaId": "0D779C44-7D1F-4DFB-8700-3012708DA6E6", "vulnerable": true}, {"criteria": "cpe:2.3:a:zkteco:zktime:11.1.0:20200309.3:*:*:*:*:*:*", "matchCriteriaId": "625DC24C-026E-4557-A57A-5C1EC5BD2DA8", "vulnerable": true}, {"criteria": "cpe:2.3:a:zkteco:zktime:11.1.0:20200930:*:*:*:*:*:*", "matchCriteriaId": "E5E76CC0-9935-4088-AFA5-15AC9B760634", "vulnerable": true}, {"criteria": "cpe:2.3:a:zkteco:zktime:11.1.0:20201231:*:*:*:*:*:*", "matchCriteriaId": "D0D66976-2C73-4968-9353-820A844B1E69", "vulnerable": true}, {"criteria": "cpe:2.3:a:zkteco:zktime:11.1.0:20210220:*:*:*:*:*:*", "matchCriteriaId": "78CF7597-02C6-48F7-B0D9-07009EBE21B8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A default username and password for an administrator account was discovered in ZKTeco ZKTime 10.0 through 11.1.0, builds 20180901, 20190510.1, 20200309.3, 20200930, 20201231, and 20210220."}, {"lang": "es", "value": "Se descubri\u00f3 un nombre de usuario y contrase\u00f1a predeterminados para una cuenta de administrador en ZKTeco ZKTime 10.0 a 11.1.0, compilaciones 20180901, 20190510.1, 20200309.3, 20200930, 20201231 y 20210220."}], "id": "CVE-2021-39434", "lastModified": "2025-04-24T14:15:31.740", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2022-12-06T00:15:09.957", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2018-26041"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.cnvd.org.cn/flaw/show/CNVD-2018-26041"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-521"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-521"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}