CVSS 3.1
5.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NCVE-2025-24023
Medium (5.3) in dpgaspar flask-appbuilder. EPSS 0.3% chance of exploitation in the next 30 days. Fixed in flask-appbuilder 4.5.3.
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.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-204, CWE-203
- Published
- Modified
- Record from
- the NVD, synced
Affected
- dpgaspar:flask-appbuilder
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-p8q5-cvwx-wvwp | PyPI | flask-appbuilder | <4.5.3 | 4.5.3 |
| PYSEC-2025-15 | PyPI | flask-appbuilder | <4.5.3 | 4.5.3 |