Exploitation Summary
CVE-2023-38951 has been observed exploited in the wild (reported by VulnCheck KEV).
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 (7)
Core 7
Core References
Various Sources
https://krashconsulting.com/fury-of-fingers-biotime-rce/
Various Sources
https://www.zkteco.com/en/announcement
Various Sources
https://sploitus.com/exploit?id=PACKETSTORM:177859
Various Sources
https://www.zkteco.com/en/ZKBio_Time/ZKBioTime#Download
Third Party Advisory
https://claroty.com/team82/disclosure-dashboard/cve-2023-38951
Product
http://zkteco.com
Scores
CVSS v3
9.8
EPSS
0.0320
EPSS Percentile
86.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
VulnCheck KEV
2025-05-02
CWE
CWE-22
Status
published
Products (1)
zkteco/biotime
8.5.5
Published
Aug 03, 2023
Tracked Since
Feb 18, 2026