CVE-2024-13966
ZKTeco
- Published
- 27 May 2025
- Last modified
- 17 June 2026
- CVSS
- 6.9 v4.0
- Severity
- medium
- EPSS
- 0.4% (32th pct)
- CISA KEV
- Not listed
- NVD status
- Analyzed
- Weaknesses
- CWE-1393
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
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").
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 0.4% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| Biotime | ZKTeco | unknown | 8.5.4, 8.5.5, < 8.5.4, < 9.0.1 +3 |
References
Vendor advisory and patch
- https://krashconsulting.com/fury-of-fingers-biotime-rce/ third-party
- https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-148-01.json third-party
- https://www.cve.org/CVERecord?id=CVE-2024-13966 third-party
- https://zkteco-store.ru/wp-content/uploads/2023/09/ZKBio-CVSecurity-6.0.0-User-Manual_EN-v1.0_20230616.pdf
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.