CVE-2025-24023 — Observable Response Discrepancy in Flask-appbuilder

CWE-204 — Observable Response DiscrepancyCWE-203 — Observable Discrepancy5 documents4 sources
Severity
5.3MEDIUMNVD
CNA3.7
EPSS
0.4%
top 37.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Dpgaspar Flask-appbuilder
Timeline
PublishedMar 3

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages3 packages

▶CVEListV5dpgaspar/flask-appbuilder< 4.5.3

🔴Vulnerability Details

4
GHSA
Flask-AppBuilder Observable Response Discrepancy↗2025-03-03
▶
CVEList
Observable Response Discrepancy in flask-appbuilder↗2025-03-03
▶
OSV
CVE-2025-24023: Flask-AppBuilder is an application development framework↗2025-03-03
▶
OSV
Flask-AppBuilder Observable Response Discrepancy↗2025-03-03
▶
CVE-2025-24023 — Observable Response Discrepancy | cvebase