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CVE-2020-37023

HIGH

8.8

Description

Koken CMS 0.22.24 contains a file upload vulnerability that allows authenticated attackers to bypass file extension restrictions by renaming malicious PHP files. Attackers can upload PHP files with system command execution capabilities by manipulating the file upload request through a web proxy and changing the file extension.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published1/30/2026

Last Modified2/4/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-434

References

http://koken.me/(disclosure@vulncheck.com)

https://github.com/V1n1v131r4/Bypass-File-Upload-on-Koken-CMS/blob/master/README.md(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/48706(disclosure@vulncheck.com)

https://www.softaculous.com/apps/cms/Koken(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/koken-cms-arbitrary-file-upload(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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