ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '123456'. Users should change their passwords (located under the Attendance Settings tab as "Self-Password").

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00109.

Exploitation poc

Automatable yes

Technical Impact partial

Affected Vendors & Products

Vendors Products
Zkteco
  • Biotime

Configuration 1 [-]

cpe:2.3:a:zkteco:biotime:*:*:*:*:*:*:*:*

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors Products
Zkteco
  • Biotime
Advisories
Source ID Title
EUVD EUVD EUVD-2025-16361 ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '123456'. Users should change their passwords (located under the Attendance Settings tab as "Self-Password").
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://krashconsulting.com/fury-of-fingers-biotime-rce/ cve-icon cve-icon
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-148-01.json cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2024-13966 cve-icon cve-icon
https://www.zkteco.com/en/Security_Bulletinsibs/18 cve-icon
https://zkteco-store.ru/wp-content/uploads/2023/09/ZKBio-CVSecurity-6.0.0-User-Manual_EN-v1.0_20230616.pdf cve-icon cve-icon
History

Fri, 26 Sep 2025 14:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:zkteco:biotime:*:*:*:*:*:*:*:*

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00111}

 epss

{'score': 0.00119}

Mon, 14 Jul 2025 15:30:00 +0000

Type Values Removed Values Added
References

Wed, 28 May 2025 19:15:00 +0000

Type Values Removed Values Added
References

Tue, 27 May 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 27 May 2025 18:45:00 +0000

Type Values Removed Values Added
Description ZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '123456'. Users should change their passwords (located under the Attendance Settings tab as "Self-Password").
Title ZKTeco BioTime default password
Weaknesses CWE-1393
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: cisa-cg

Published:

Updated: 2025-07-14T14:58:38.464Z

Reserved: 2025-05-23T16:23:34.914Z

Link: CVE-2024-13966

cve-icon Vulnrichment

Updated: 2025-07-14T14:58:38.464Z

cve-icon NVD

Status : Analyzed

Published: 2025-05-27T19:15:24.727

Modified: 2025-09-26T14:01:19.453

Link: CVE-2024-13966

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-07-13T11:22:37Z