What’s Vulnerable › Vulnerabilities

CVE-2023-38950: ZKTeco BioTime Path Traversal Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2025-05-19
• EPSS: 92.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-08-03 · updated 2026-07-09
• Weakness: CWE-22

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.

Affected products

• ZKTeco BioTime: before 9.0.1 — fixed in 9.0.1

How to fix

Upgrade to a fixed version: ZKTeco BioTime 9.0.1. Check the vendor advisory for mitigations.

References

• https://claroty.com/team82/disclosure-dashboard/cve-2023-38950
• https://claroty.com/team82/disclosure-dashboard/cve-2023-38950
• https://sploitus.com/exploit?id=PACKETSTORM:177859
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38950
• https://www.fortinet.com/content/dam/fortinet/assets/reports/report-incident-response-middle-east.pdf

Get alerted when CVE-2023-38950 or the next vulnerability affects your stack