Cyber Resilience

CVE-2024-13966

Medium

Published: 27 May 2025

Published
27 May 2025
Modified
26 September 2025
KEV Added
Patch
CVSS Score v4 6.9 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0063 70.8th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-13966 is a medium-severity Use of Default Password (CWE-1393) vulnerability in Zkteco Biotime. Its CVSS base score is 6.9 (Medium).

Operationally, ranked in the top 29.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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").

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

zkteco
biotime
≤ 9.0.4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-1393

Changing default authenticators prior to first use prevents use of default passwords.

addresses: CWE-1393

Requires authentication that meets guidelines, avoiding default passwords for cryptographic module access.

addresses: CWE-1393

Threat awareness programs disseminate botnet and scanning activity tied to default passwords, driving organizations to change or enforce non-default credentials before mass exploitation occurs.

References