Overview
ZKTeco BioTime contains a path traversal vulnerability in the iclock API that allows an unauthenticated attacker to read arbitrary files via supplying a crafted payload.
https://www.zkteco.com/en/Security_Bulletinsibs ; https://nvd.nist.gov/vuln/detail/CVE-2023-38950
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2023-38950 |
| Vendor / Product | ZKTeco — BioTime |
| NVD Published | 2023-08-03 |
| NVD Last Modified | 2025-11-07 |
| CVSS 3.1 Score | 7.5 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Severity | HIGH |
| CWE | CWE-22 |
| CISA KEV Added | 2025-05-19 |
| CISA KEV Deadline | 2025-06-09 |
| Known Ransomware Use | No |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2025-06-09.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2025-05-19 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2025-06-09 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2023-38950 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |