File Upload Vulnerability in Koken CMS by Koken
CVE-2020-37023

8.7HIGH

Key Information:

Vendor

Koken

Status
Koken Cms
Vendor
CVE Published:
30 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37023?

Koken CMS version 0.22.24 is susceptible to a file upload vulnerability that enables authenticated attackers to circumvent file extension restrictions. By manipulating file upload requests—potentially using a web proxy—attackers can rename malicious PHP files, allowing for the execution of system commands. This exploitation could lead to significant security risks, as malicious files can be uploaded without adequate checks.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

Koken CMS 0.22.24

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37023 - Proof of Concept

CVE-2020-37023 - Proof of Concept

References

https://www.exploit-db.com/exploits/48706
exploit
http://koken.me/
product
https://www.softaculous.com/apps/cms/Koken
product

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • đź‘ľ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

v1n1v131r4
JSON
.