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CVE-2024-6221— Improper Access Control in corydolphin/flask-cors

Quick assessment

Affected
corydolphin corydolphin/flask-cors
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.

Flask-CORS是Cory Dolphin个人开发者的一个Flask的跨源资源共享组件。 Flask-CORS 4.0.1版本存在访问控制错误漏洞，该漏洞源于允许Access-Control-Allow-Private-Network在无需任何配置选项的情况下默认将CORS标头设置为true，从而会将专用网络资源暴露给未经授权的外部访问，导致重大安全风险，如数据泄露、未经授权访问敏感信息和潜在的网络入侵。

AI Predicted 6.1 Difficulty: Easy EPSS 0.72% · P52

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript
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I. Basic Information for CVE-2024-6221

Vulnerability Information
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Vulnerability Title
Improper Access Control in corydolphin/flask-cors
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in corydolphin/flask-cors version 4.0.1 allows the `Access-Control-Allow-Private-Network` CORS header to be set to true by default. This behavior can expose private network resources to unauthorized external access, leading to significant security risks such as data breaches, unauthorized access to sensitive information, and potential network intrusions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Flask-CORS 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flask-CORS是Cory Dolphin个人开发者的一个Flask的跨源资源共享组件。 Flask-CORS 4.0.1版本存在访问控制错误漏洞，该漏洞源于允许Access-Control-Allow-Private-Network在无需任何配置选项的情况下默认将CORS标头设置为true，从而会将专用网络资源暴露给未经授权的外部访问，导致重大安全风险，如数据泄露、未经授权访问敏感信息和潜在的网络入侵。
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
corydolphin corydolphin/flask-cors unspecified ~ 5.0.0 -

II. Public POCs for CVE-2024-6221

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III. Intelligence Information for CVE-2024-6221

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Vendor Advisories for CVE-2024-6221 (1)

IV. Related Vulnerabilities

Same product: corydolphin/flask-cors
Same vendor: corydolphin
Same weakness: CWE-284

V. Comments for CVE-2024-6221

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