VULNERABILITY INTELLIGENCE
CVE-2020-37023
CVSS score8.8 HIGH
EPSS probability0.71%
CISA KEVNot currently listed
Published2026-01-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- disclosure@vulncheck.com: CWE-434