SecuriTricks - CVE-2020-37023

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.

Product(s) Impacted

Vendor	Product	Versions
Koken	Koken Cms	0.22.24

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-434

Unrestricted Upload of File with Dangerous Type

The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	koken	koken_cms	0.22.24	/	/	/	/	/	/	/

References

http://koken.me/

https://github.com/V1n1v131r4/Bypass-File-Upload-on-Koken-CMS/blob/master/README.md

https://www.exploit-db.com/exploits/48706

https://www.softaculous.com/apps/cms/Koken

https://www.vulncheck.com/advisories/koken-cms-arbitrary-file-upload

CVSS Score

8.7 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: LOW
User Interaction: NONE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: Jan. 30, 2026, 11:16 p.m.
Last Modified: Jan. 30, 2026, 11:16 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2020-37023