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CVE-2021-47939— Evolution CMS 3.1.6 Authenticated Remote Code Execution via Module Creation

Quick assessment

Affected
Evo Evolution 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.

Evolution CMS是Evolution CMS开源的一套基于PHP的开源内容管理系统（CMS）。 Evolution CMS 3.1.6版本存在代码注入漏洞，该漏洞源于远程代码执行漏洞，允许具有模块创建权限的认证用户通过向模块参数注入PHP代码执行任意系统命令，攻击者可以向/manager/index.php发送包含恶意PHP代码的POST请求，在post参数中创建模块，调用时执行任意命令。

CVSS 8.8 · High EPSS 0.64% · P48

Affected Version Matrix 1

VendorProduct Version RangeStatus
Evo Evolution CMS 3.1.6 affected
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I. Basic Information for CVE-2021-47939

Vulnerability Information
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Vulnerability Title
Evolution CMS 3.1.6 Authenticated Remote Code Execution via Module Creation
Source: CVE Program / CVE List V5
Vulnerability Description
Evolution CMS 3.1.6 contains a remote code execution vulnerability that allows authenticated users with module creation permissions to execute arbitrary system commands by injecting PHP code into module parameters. Attackers can send POST requests to /manager/index.php with malicious PHP code in the 'post' parameter to create modules that execute arbitrary commands when invoked.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Evolution CMS 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Evolution CMS是Evolution CMS开源的一套基于PHP的开源内容管理系统（CMS）。 Evolution CMS 3.1.6版本存在代码注入漏洞，该漏洞源于远程代码执行漏洞，允许具有模块创建权限的认证用户通过向模块参数注入PHP代码执行任意系统命令，攻击者可以向/manager/index.php发送包含恶意PHP代码的POST请求，在post参数中创建模块，调用时执行任意命令。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Evo Evolution CMS 3.1.6 -

II. Public POCs for CVE-2021-47939

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III. Intelligence Information for CVE-2021-47939

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Vendor Advisories for CVE-2021-47939 (1)

Exploits & Public PoCs for CVE-2021-47939 (1)

Vendor Pages for CVE-2021-47939 (1)

Other References for CVE-2021-47939 (1)

IV. Related Vulnerabilities

Same weakness: CWE-94

V. Comments for CVE-2021-47939

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