CVE-2016-20023
CVE-2016-20023 is a medium-severity vulnerability in Cksource Ckfinder with a CVSS 3.x base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Medium (CVSS 3.x base score 5.0)
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2016-10801
- Weakness: CWE-22
- Affected product: Cksource Ckfinder
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2016-20023?
- CVE-2016-20023 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2016-20023 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2016-20023?
- CVE-2016-20023 affects Cksource Ckfinder. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2016-20023?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2016-20023 have an EU (EUVD) identifier?
- Yes. CVE-2016-20023 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2016-10801.
- When was CVE-2016-20023 published?
- CVE-2016-20023 was published on 2025-12-05 and last updated on 2026-06-17.
References
- https://download.cksource.com/CKFinder/CKFinder%20for%20ASP.NET/2.5.0.1/
- https://ckeditor.com/ckfinder/release-notes/
Affected products (1)
- cpe:2.3:a:cksource:ckfinder:*:*:*:*:*:asp.net:*:*
More vulnerabilities in Cksource Ckfinder
- CVE-2019-15862 — High (CVSS 7.5): An issue was discovered in CKFinder through 2.6.2.1. Improper checks of file names allows remote attackers to upload…
- CVE-2025-63830 — Medium (CVSS 6.1): CKFinder 1.4.3 is vulnerable to Cross Site Scripting (XSS) in the File Upload function. An attacker can upload a…
- CVE-2019-15891 — Medium (CVSS 5.3): An issue was discovered in CKFinder through 2.6.2.1 and 3.x through 3.5.0. The documentation has misleading information…
All CVEs affecting Cksource Ckfinder →
Other CWE-22 (Path Traversal) vulnerabilities
- CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
- CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
- CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
- CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
- CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
- CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…