CVE-2025-24023— Observable Response Discrepancy in flask-appbuilder
Quick assessment
Affected
dpgaspar Flask-AppBuilder
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 App Builder是Daniel Vaz Gaspar个人开发者的一个简单快速的应用程序开发框架。 Flask App Builder 4.5.3之前版本存在安全漏洞，该漏洞源于未经验证的用户可以枚举现有用户名。
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I. Basic Information for CVE-2025-24023
Vulnerability Information
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Vulnerability Title
Observable Response Discrepancy in flask-appbuilder
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
响应差异性信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Flask App Builder 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flask App Builder是Daniel Vaz Gaspar个人开发者的一个简单快速的应用程序开发框架。 Flask App Builder 4.5.3之前版本存在安全漏洞，该漏洞源于未经验证的用户可以枚举现有用户名。
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 |
|---|---|---|---|---|
| dpgaspar | Flask-AppBuilder | < 4.5.3 | - |
|
II. Public POCs for CVE-2025-24023
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-24023 (1)
IV. Related Vulnerabilities
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CVE-2025-58065
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Flask-AppBuilder login form allows browser to cache sensitiv -
CVE-2024-27083
Flask-AppBuilder's OAuth login page subject to Cross Site Sc -
CVE-2024-25128
Flask-AppBuilder incorrect authentication when using auth ty
Same vendor: dpgaspar
-
CVE-2025-58065
Flask App Builder has an Authentication Bypass vulnerability -
CVE-2025-32962
Flask-AppBuilder open redirect vulnerability using HTTP host -
CVE-2024-45314
Flask-AppBuilder login form allows browser to cache sensitiv -
CVE-2024-27083
Flask-AppBuilder's OAuth login page subject to Cross Site Sc -
CVE-2024-25128
Flask-AppBuilder incorrect authentication when using auth ty
Same weakness: CWE-204
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V. Comments for CVE-2025-24023
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