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CVE-2021-37627— Privilege escalation via form generator

Quick assessment

Affected
contao contao
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.

Contao是一套采用PHP开发的开源内容管理系统（CMS）。该系统支持搜索引擎、权限管理和CSS框架等。 Contao中存在安全漏洞，攻击者可以利用该漏洞获取后端权限。

CVSS 8.0 · High EPSS 1.02% · P62

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2021-37627

Vulnerability Information
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Vulnerability Title
Privilege escalation via form generator
Source: CVE Program / CVE List V5
Vulnerability Description
Contao is an open source CMS that allows creation of websites and scalable web applications. In affected versions it is possible to gain privileged rights in the Contao back end. Installations are only affected if they have untrusted back end users who have access to the form generator. All users are advised to update to Contao 4.4.56, 4.9.18 or 4.11.7. As a workaround users may disable the form generator or disable the login for untrusted back end users.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Contao 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Contao是一套采用PHP开发的开源内容管理系统（CMS）。该系统支持搜索引擎、权限管理和CSS框架等。 Contao中存在安全漏洞，攻击者可以利用该漏洞获取后端权限。
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
contao contao < 4.4.56 -

II. Public POCs for CVE-2021-37627

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III. Intelligence Information for CVE-2021-37627

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Vendor Advisories for CVE-2021-37627 (1)

Other References for CVE-2021-37627 (1)

IV. Related Vulnerabilities

Same product: contao
Same vendor: contao
Same weakness: CWE-269

V. Comments for CVE-2021-37627

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