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CVE-2021-41749

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nystudio107 Seomatic是美国的一个全面、强大和灵活的交钥匙 SEO 系统。促进了 Craft CMS 3 的现代 SEO 最佳实践和实施。 Nystudio107 Seomatic 3.4.11 版本及之前版本存在安全漏洞，未经身份验证的攻击者利用该漏洞可以执行服务器端模板注入，从而允许远程代码执行。

AI Predicted 9.8 Difficulty: Easy EPSS 18.12% · P97

Public Exploits 1

Nuclei · 1 CVE-2021-41749.yaml [template]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-41749

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In the SEOmatic plugin up to 3.4.11 for Craft CMS 3, it is possible for unauthenticated attackers to perform a Server-Side Template Injection, allowing for remote code execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Nystudio107 Seomatic 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nystudio107 Seomatic是美国的一个全面、强大和灵活的交钥匙 SEO 系统。促进了 Craft CMS 3 的现代 SEO 最佳实践和实施。 Nystudio107 Seomatic 3.4.11 版本及之前版本存在安全漏洞，未经身份验证的攻击者利用该漏洞可以执行服务器端模板注入，从而允许远程代码执行。
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
- n/a n/a -

II. Public POCs for CVE-2021-41749

# POC Description Source Link Shenlong Link
1 In the SEOmatic plugin up to 3.4.11 for Craft CMS 3, it is possible for unauthenticated attackers to perform a Server-Side. Template Injection, allowing for remote code execution. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-41749.yaml POC Details
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III. Intelligence Information for CVE-2021-41749

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Patches & Fixes for CVE-2021-41749 (1)

Other References for CVE-2021-41749 (1)

Same Patch Batch · n/a · 2022-06-12 · 3 CVEs total

CVE-2021-41641 Deno 后置链接漏洞
CVE-2021-41750 Nystudio107 Seomatic 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2021-41749

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