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CVE-2020-15227— Remote Code Execution vulnerability

Quick assessment

Affected
nette application
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.

Nette是个人开发者的一个基于组件的事件驱动 PHP 框架。 Nette 存在代码注入漏洞，该漏洞源于外部输入数据构造代码段的过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞生成非法的代码段，修改网络系统或组件的预期的执行控制流。以下产品及版本受到影响：2.0.19版本, 2.1.13版本, 2.2.10版本, 2.3.14版本, 2.4.16版本, 3.0.6版本。

CVSS 8.7 · High EPSS 34.42% · P98

Public Exploits 1

Nuclei · 1 CVE-2020-15227.yaml [template]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-15227

Vulnerability Information
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Vulnerability Title
Remote Code Execution vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Nette versions before 2.0.19, 2.1.13, 2.2.10, 2.3.14, 2.4.16, 3.0.6 are vulnerable to an code injection attack by passing specially formed parameters to URL that may possibly leading to RCE. Nette is a PHP/Composer MVC Framework.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Nette 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nette是个人开发者的一个基于组件的事件驱动 PHP 框架。 Nette 存在代码注入漏洞，该漏洞源于外部输入数据构造代码段的过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞生成非法的代码段，修改网络系统或组件的预期的执行控制流。以下产品及版本受到影响：2.0.19版本, 2.1.13版本, 2.2.10版本, 2.3.14版本, 2.4.16版本, 3.0.6版本。
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
nette application >= 2.0.0, < 2.0.19 -

II. Public POCs for CVE-2020-15227

# POC Description Source Link Shenlong Link
1 CVE-2020-15227 exploit https://github.com/Langriklol/CVE-2020-15227 POC Details
2 CVE-2020-15227 exploit https://github.com/hu4wufu/CVE-2020-15227 POC Details
3 CVE-2020-15227 checker https://github.com/filipsedivy/CVE-2020-15227 POC Details
4 Nette Framework versions before 2.0.19, 2.1.13, 2.2.10, 2.3.14, 2.4.16, and 3.0.6 are vulnerable to a code injection attack via specially formed parameters being passed to a URL. Nette is a PHP/Composer MVC Framework. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-15227.yaml POC Details
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III. Intelligence Information for CVE-2020-15227

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Vendor Advisories for CVE-2020-15227 (1)

Mailing List Discussions for CVE-2020-15227 (1)

Other References for CVE-2020-15227 (2)

IV. Related Vulnerabilities

Same product: application
Same vendor: nette
Same weakness: CWE-74

V. Comments for CVE-2020-15227

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