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CVE-2021-47753— phpKF CMS 3.00 Beta y6 - Remote Code Execution (RCE) (Unauthenticated)

Quick assessment

Affected
Phpkf phpKF CMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

phpKF CMS是土耳其phpKF公司的一款内容管理系统。 phpKF CMS 3.00 Beta y6版本存在安全漏洞，该漏洞源于未经验证的文件上传功能，可能绕过文件扩展名检查，导致远程代码执行。

CVSS 9.8 · Critical EPSS 0.68% · P50
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I. Basic Information for CVE-2021-47753

Vulnerability Information
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Vulnerability Title
phpKF CMS 3.00 Beta y6 - Remote Code Execution (RCE) (Unauthenticated)
Source: CVE Program / CVE List V5
Vulnerability Description
phpKF CMS 3.00 Beta y6 contains an unauthenticated file upload vulnerability that allows remote attackers to execute arbitrary code by bypassing file extension checks. Attackers can upload a PHP file disguised as a PNG, rename it, and execute system commands through a crafted web shell parameter.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
phpKF CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
phpKF CMS是土耳其phpKF公司的一款内容管理系统。 phpKF CMS 3.00 Beta y6版本存在安全漏洞，该漏洞源于未经验证的文件上传功能，可能绕过文件扩展名检查，导致远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Phpkf phpKF CMS 3.00 -

II. Public POCs for CVE-2021-47753

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III. Intelligence Information for CVE-2021-47753

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IV. Related Vulnerabilities

Same weakness: CWE-434

V. Comments for CVE-2021-47753

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