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CVE-2021-47938— ImpressCMS 1.4.2 Remote Code Execution via Autotasks

Quick assessment

Affected
Impresscms ImpressCMS
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.

ImpressCMS是ImpressCMS公司的一套基于MySQL的、模块化的内容管理系统（CMS）。该系统包括新闻发布、论坛和相册等模块。 ImpressCMS 1.4.2版本存在代码注入漏洞，该漏洞源于自动任务管理界面存在远程代码执行漏洞，允许认证攻击者通过向sat_code参数注入恶意代码执行任意PHP代码，攻击者可以认证后向/modules/system/admin.php?fct=autotasks&op=mod提交包含PHP命令的特制sat_code的POST请求，创建接受通过GET参数传递的

CVSS 8.8 · High EPSS 0.57% · P45

Affected Version Matrix 1

VendorProduct Version RangeStatus
Impresscms ImpressCMS 1.4.2 affected
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I. Basic Information for CVE-2021-47938

Vulnerability Information
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Vulnerability Title
ImpressCMS 1.4.2 Remote Code Execution via Autotasks
Source: CVE Program / CVE List V5
Vulnerability Description
ImpressCMS 1.4.2 contains a remote code execution vulnerability in the autotasks administrative interface that allows authenticated attackers to execute arbitrary PHP code by injecting malicious code into the sat_code parameter. Attackers can authenticate, submit a POST request to /modules/system/admin.php?fct=autotasks&op=mod with crafted sat_code containing PHP commands, which creates an executable file that accepts arbitrary commands via GET parameters.
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
ImpressCMS 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ImpressCMS是ImpressCMS公司的一套基于MySQL的、模块化的内容管理系统（CMS）。该系统包括新闻发布、论坛和相册等模块。 ImpressCMS 1.4.2版本存在代码注入漏洞，该漏洞源于自动任务管理界面存在远程代码执行漏洞，允许认证攻击者通过向sat_code参数注入恶意代码执行任意PHP代码，攻击者可以认证后向/modules/system/admin.php?fct=autotasks&op=mod提交包含PHP命令的特制sat_code的POST请求，创建接受通过GET参数传递的
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
Impresscms ImpressCMS 1.4.2 -

II. Public POCs for CVE-2021-47938

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III. Intelligence Information for CVE-2021-47938

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Vendor Advisories for CVE-2021-47938 (1)

Exploits & Public PoCs for CVE-2021-47938 (1)

Vendor Pages for CVE-2021-47938 (1)

IV. Related Vulnerabilities

Same product: ImpressCMS
Same vendor: Impresscms
Same weakness: CWE-94

V. Comments for CVE-2021-47938

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