CVE-2024-6221

HIGH
Published Aug 18, 2024 Modified Apr 7, 2025 CWE-284

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.

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CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-284 CWE-284

Affected Products

Vendor Product
corydolphin flask-cors

References

Frequently Asked Questions

What is CVE-2024-6221? +
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. It has a CVSS v3.1 base score of 7.5 (HIGH).
How severe is CVE-2024-6221? +
CVE-2024-6221 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-6221? +
CVE-2024-6221 affects products from corydolphin, specifically: flask-cors. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-6221? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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