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CVE-2016-20023

22
FAUCET Score

CVE-2016-20023 describes a path traversal vulnerability in CKSource CKFinder for ASP.NET versions prior to 2.5.0.1. Authenticated users could exploit this flaw to download any file from the server by providing a valid file path. Rated Medium with a CVSS score of 6.5, this vulnerability has a network attack vector, low attack complexity, and high confidentiality impact, allowing unauthorized information disclosure. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.5.0.1CPE matchmatch criteria
cpe:2.3:a:cksource:ckfinder:*:*:*:*:*:asp.net:*:*
>= 2, < 2.5.0.1CPE match
cpe:2.3:a:cksource:ckfinder:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.0MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 30th percentile among its peer group of 21,951 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ckeditor.com / ckfinder/release-notes
Release Notes
download.cksource.com / CKFinder/CKFinder%20for%20ASP.NET/2.5.0.1
Product