CVE-2025-24023: flask-appbuilder — Fix

Description

Flask-AppBuilder is an application development framework. Prior to 4.5.3, Flask-AppBuilder allows unauthenticated users to enumerate existing usernames by timing the response time from the server when brute forcing requests to login. This vulnerability is fixed in 4.5.3.

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CVSS v3.1 Score

3.7

LOW

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

Weakness Type (CWE)

CWE-204 CWE-204

CWE-203 CWE-203

Affected Products

Vendor	Product	Versions
dpgaspar	flask-appbuilder	< 4.5.3

References

Advisories & Patches

https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-p8q5-cvwx-wvwp

Frequently Asked Questions

What is CVE-2025-24023? +

Flask-AppBuilder is an application development framework. Prior to 4.5.3, Flask-AppBuilder allows unauthenticated users to enumerate existing usernames by timing the response time from the server when brute forcing requests to login. This vulnerability is fixed in 4.5.3. It has a CVSS v3.1 base score of 3.7 (LOW).

How severe is CVE-2025-24023? +

CVE-2025-24023 has a CVSS v3.1 score of 3.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-24023? +

CVE-2025-24023 affects products from dpgaspar, specifically: flask-appbuilder. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-24023? +

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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