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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (25.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Cksource Ckfinder — versions 2
Weakness classification (CWE)
References
- download.cksource.com/CKFinder/CKFinder for ASP.NET/2.5.0.1/ (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.