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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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
http://zkteco.com	Product
https://claroty.com/team82/disclosure-dashboard/cve-2023-38951	Third Party Advisory
https://sploitus.com/exploit?id=PACKETSTORM:177859

Configurations

Configuration 1 (hide)

cpe:2.3:a:zkteco:biotime:8.5.5:*:*:*:*:*:*:*

History

No history.

Information

Published : 2023-08-03 23:15

Updated : 2025-05-27 20:15

NVD link : CVE-2023-38951

Mitre link : CVE-2023-38951

CVE.ORG link : CVE-2023-38951

JSON object : View

Products Affected

zkteco

biotime

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

{"id": "CVE-2023-38951", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2023-08-03T23:15:11.363", "references": [{"url": "https://claroty.com/team82/disclosure-dashboard/cve-2023-38951", "tags": ["Third Party Advisory"], "source": "[email protected]"}, {"url": "https://github.com/omair2084/biotime-rce-8.5.5/blob/main/biotime_enum.py", "source": "[email protected]"}, {"url": "https://krashconsulting.com/fury-of-fingers-biotime-rce/", "source": "[email protected]"}, {"url": "https://www.zkteco.com/en/ZKBio_Time/ZKBioTime#Download", "source": "[email protected]"}, {"url": "https://www.zkteco.com/en/announcement", "source": "[email protected]"}, {"url": "http://zkteco.com", "tags": ["Product"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://claroty.com/team82/disclosure-dashboard/cve-2023-38951", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://sploitus.com/exploit?id=PACKETSTORM:177859", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-22"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2025-05-27T20:15:23.647", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:zkteco:biotime:8.5.5:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C1ABA20-2F3E-4EB4-8AAB-0C3C93A382A0"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}