CVE-2023-38950
ZKTeco BioTime Path Traversal Vulnerability
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 9 June 2025). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 92.47% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 19 May 2025 · due 9 June 2025
- Weakness
- CWE-22
- Affected
- zkteco/biotime
- Source
- cve@mitre.org
EPSS moved from 92.5% on 24 September 2026 to 92.5% on 30 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
CISA notes
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://www.zkteco.com/en/Security_Bulletinsibs ; https://nvd.nist.gov/vuln/detail/CVE-2023-38950
References
- https://claroty.com/team82/disclosure-dashboard/cve-2023-38950Third Party Advisory
- https://claroty.com/team82/disclosure-dashboard/cve-2023-38950Third Party Advisory
- https://sploitus.com/exploit?id=PACKETSTORM:177859Exploit
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38950US Government Resource
- https://www.fortinet.com/content/dam/fortinet/assets/reports/report-incident-response-middle-east.pdfBroken Link, Technical Description
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.