What is the CVSS score of CVE-2016-20023?

CVE-2016-20023 has a CVSS 3.1 base score of 5.0 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2016-20023?

Within 30 days: Identify affected systems running CKSource CKFinder and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Ckfinder CVE-2016-20023

Q: Which versions of Ckfinder are affected by CVE-2016-20023?

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.. A patch is available.

EUVD-2016-10801 MEDIUM

Relative Path Traversal (CWE-23)

2025-12-05 cve@mitre.org

Information Disclosure Ckfinder Cksource

5.0

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-23 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.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – 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)

v1 Mar 15, 2026 - 17:08 CVSS 5.0

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

CKFinder 2 <2.5.0.1

Affected Packages

euvd ckfinder fix: 2.5.0.1

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

NVD PRIMARY 5.0 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

Lifecycle Timeline

Patch available

Apr 16, 2026 - 05:29 EUVD

2.5.0.1

CVE Published

Dec 05, 2025 - 06:16 nvd

MEDIUM 5.0

DescriptionCVE.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

Why It Matters

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.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.1%

Top 82% exploitable

Data Quality

4 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

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.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.1%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +25

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.