# CVE-2023-38950: ZKTeco BioTime Path Traversal Vulnerability

> CVE-2023-38950: ZKTeco BioTime Path Traversal Vulnerability. CVSS 7.5 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2023-38950
Last updated: 2026-07-09T00:27:18Z

- Published: 2023-08-03 00:00 UTC · Updated: 2026-07-09 00:27 UTC · Assigner: mitre
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS: 92.5%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2025-05-19, federal due date 2025-06-09, ransomware use: Unknown

## 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.

## CISA 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.

## Affected vendors and products

- ZKTeco: BioTime

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2023-38950)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2023-38950)
- [https://claroty.com/team82/disclosure-dashboard/cve-2023-38950](https://claroty.com/team82/disclosure-dashboard/cve-2023-38950)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2023-38950 · Markdown: https://rewindex.com/cve/CVE-2023-38950.md · JSON: https://rewindex.com/api/v1/cves/CVE-2023-38950 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:15:31.581Z