CVE-2023-38951

critical

Description

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.

References

https://www.zkteco.com/en/announcement

https://www.zkteco.com/en/ZKBio_Time/ZKBioTime#Download

https://sploitus.com/exploit?id=PACKETSTORM:177859

https://krashconsulting.com/fury-of-fingers-biotime-rce/

https://github.com/omair2084/biotime-rce-8.5.5/blob/main/biotime_enum.py

https://claroty.com/team82/disclosure-dashboard/cve-2023-38951

http://zkteco.com

Details

Source: Mitre, NVD

Published: 2023-08-03

Updated: 2025-05-27

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.0066