Vulnerability Database

322,128

Total vulnerabilities in the database

CVE-2020-37023

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.

  • Published: Jan 30, 2026
  • Updated: Feb 1, 2026
  • CVE: CVE-2020-37023
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.8
  • AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWEs: