What is CVE-2016-20023?

CVE-2016-20023 is a medium-severity vulnerability in Cksource Ckfinder, classified under Relative Path Traversal. CVSS score: 5.0/10. Published 2025-12-05.

How severe is CVE-2016-20023?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Path Traversal in Cksource Ckfinder

CVE-2016-20023

In CKSource CKFinder before 2.5.0.1 for ASP.NET, authenticated users could download any file from the server if the correct path to a file was provided.

EPSS: 0.003 (20.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N.

Affected products

Cksource Ckfinder — versions 2

Weakness classification (CWE)

CWE-23 — Relative Path Traversal
CWE-22 — Path Traversal

References

cve@mitre.org (Product)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (Release Notes)

Frequently asked questions

What is CVE-2016-20023?: CVE-2016-20023 is a medium-severity vulnerability in Cksource Ckfinder, classified under Relative Path Traversal. CVSS score: 5.0/10. Published 2025-12-05.
How severe is CVE-2016-20023?: Medium severity. CVSS v3 base score is 5.0 out of 10.