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Vulnerability record · CVE-2023-38951 · published 3 August 2023

CVE-2023-38951: Zkteco biotime path traversal vulnerability

ZZkteco · Biotime

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.

9.8 CVSS 3.1 Critical EPSS 3.3% · top 12.1% CWE-22 · Path traversal
9.8CVSS 3.1 base score
3.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References
9 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://claroty.com/team82/disclosure-dashboard/cve-2023-38951 Third Party Advisory
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://claroty.com/team82/disclosure-dashboard/cve-2023-38951 Third Party Advisory
https://sploitus.com/exploit?id=PACKETSTORM:177859

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2023-38950ZKTeco BioTime iclock API path traversal allows unauthenticated file readThe iclock API in ZKTeco BioTime v8.5.5 is vulnerable to path traversal (CWE-22), letting an unauthenticated attacker read arbitrary files by supplyi…KEVEPSS 92%analysed7.5CVE-2023-51142Zkteco biotime information exposure vulnerabilityAn issue in ZKTeco BioTime v.8.5.4 and before allows a remote attacker to obtain sensitive information.EPSS 0.73%7.5CVE-2023-38952Zkteco biotime vulnerabilityInsecure access control in ZKTeco BioTime through 9.0.1 allows authenticated attackers to escalate their privileges due to the fact that session ids …EPSS 2.7%7.5CVE-2023-38949Zkteco biotime vulnerabilityAn issue in a hidden API in ZKTeco BioTime v8.5.5 allows unauthenticated attackers to arbitrarily reset the Administrator password via a crafted web …EPSS 0.42%6.9CVE-2024-13966Zkteco biotime vulnerabilityZKTeco BioTime allows unauthenticated attackers to enumerate usernames and log in as any user with a password unchanged from the default value '12345…EPSS 0.39%6.8CVE-2022-38803Zkteco biotime cross-site scripting vulnerabilityZkteco BioTime < 8.5.3 Build:20200816.447 is vulnerable to Incorrect Access Control via Leave, overtime, Manual log. An authenticated employee can re…EPSS 0.63%6.5CVE-2023-51141Zkteco biotime insecure direct object reference vulnerabilityAn issue in ZKTeko BioTime v.8.5.4 and before allows a remote attacker to obtain sensitive information via the Authentication & Authorization compone…EPSS 0.66%6.2CVE-2022-38802Zkteco biotime cross-site scripting vulnerabilityZkteco BioTime < 8.5.3 Build:20200816.447 is vulnerable to Incorrect Access Control via resign, private message, manual log, time interval, attshift,…EPSS 0.65%

Source: NIST National Vulnerability Database (record CVE-2023-38951), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.