AUGUST 4, 2026
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Case File

CVE-2020-37023

HIGH · CVSS 8.8 EPSS 0.60% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-01-30 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.8. Public exploit code or proof-of-concept references have been detected in its references. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-37023
Severity
HIGH
CVSS
8.8
EPSS
0.60%

Original NVD 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.