CVE-2023-38951

ZKTeco BioTime 8.5.5 through 9.x before 9.0.1 (20240617.19506) allows authenticated attackers to create or overwrite arbitrary files on the server via crafted requests to /base/sftpsetting/ endpoints that abuse a path traversal issue in the Username field and a lack of input sanitization on the SSH Key field. Overwriting specific files may lead to arbitrary code execution as NT AUTHORITY\SYSTEM.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve@mitre.org

Published

2023-08-03

Last modified

2026-07-09

Weaknesses

CWE-22

Affected products

• Biotime (Zkteco)

References

• https://claroty.com/team82/disclosure-dashboard/cve-2023-38951
• https://github.com/omair2084/biotime-rce-8.5.5/blob/main/biotime_enum.py
• https://krashconsulting.com/fury-of-fingers-biotime-rce/
• https://www.zkteco.com/en/ZKBio_Time/ZKBioTime#Download
• https://www.zkteco.com/en/announcement
• https://sploitus.com/exploit?id=PACKETSTORM:177859