May 19, 2025 · Applied Cybernetics Group
CVE-2023-38950 — ZKTeco BioTime
ZKTeco BioTime Path Traversal Vulnerability
- Added to KEV
2025-05-19- Federal due date
2025-06-09- Vendor
- ZKTeco
- Product
- BioTime
- EPSS
- 99.7th percentile (score 0.849, as of
2026-07-13) - NVD CVSS v3.1
- 7.5 (HIGH)
- Ransomware use
- Unknown
- ATT&CK
- T1005 , T1190 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2023-38950
CISA short description
ZKTeco BioTime contains a path traversal vulnerability in the iclock API that allows an unauthenticated attacker to read arbitrary files via supplying a crafted payload.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
NVD description
A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read arbitrary files via supplying a crafted payload. This vulnerability was fixed in version 9.0.120240617.19506 of ZKBioTime.