What is CVE-2023-38950?

CVE-2023-38950 is a high-severity vulnerability in Zkteco Biotime, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-08-03.

How severe is CVE-2023-38950?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-38950 known to be exploited?

Yes. CVE-2023-38950 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-05-19), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.

Path Traversal in Zkteco Biotime

CVE-2023-38950

A path traversal vulnerability in the iclock API of ZKTeco BioTime v8.5.5 allows unauthenticated attackers to read arbitrary files via supplying a crafted payload. This vulnerability was fixed in version 9.0.120240617.19506 of ZKBioTime.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.849 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Zkteco Biotime
N/a — versions n/a

Weakness classification (CWE)

CWE-22 — Path Traversal

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2025-05-19. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2025-06-09.

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Public proof-of-concept exploits

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
cve@mitre.org (Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Exploit)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Technical Description, Broken Link)

Frequently asked questions

What is CVE-2023-38950?: CVE-2023-38950 is a high-severity vulnerability in Zkteco Biotime, classified under Path Traversal. CVSS score: 7.5/10. Published 2023-08-03.
How severe is CVE-2023-38950?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-38950 known to be exploited?: Yes. CVE-2023-38950 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-05-19), indicating it is being actively exploited. 3 public proof-of-concept repositories are indexed.