Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Relative path traversal prevention
|
| Impact | CVSS 5.0. EPSS 0.1%. No patch confirmed. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability in CKSource CKFinder to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability. |
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Alert meAnalysisAIv1 – Mar 15, 2026
A remote code execution vulnerability in CKSource CKFinder (CVSS 5.0). Remediation should follow standard vulnerability management procedures.
Earlier versions of this analysis (1)
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.
RemediationAI
Monitor vendor channels for patch availability.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
CWE-23 (Relative Path Traversal). Affects CKSource CKFinder.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionCVE.org
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.
Executive ViewAI
Organizations using CKSource CKFinder should be aware of moderate risk from CVE-2016-20023 rated CVSS 5.0. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
An issue was discovered in CKFinder through 2.6.2.1. Rated high severity (CVSS 7.5), this vulnerability is remotely expl
An issue was discovered in CKFinder through 2.6.2.1 and 3.x through 3.5.0. Rated medium severity (CVSS 5.3), this vulner
CKFinder 1.4.3 is vulnerable to Cross Site Scripting (XSS) in the File Upload function. Rated medium severity (CVSS 6.1)
EUVD-2016-10801
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB