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. The catalogue records confirmed public exploitation. Absence from it does not establish 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.