Is CVE-2025-24023 in the CISA KEV catalog?

No. CVE-2025-24023 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-24023?

CVE-2025-24023 has a CVSS v3 base score of 3.7 (LOW).

What is the EPSS score for CVE-2025-24023?

CVE-2025-24023 has an EPSS score of 0.30% (22th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-24023?

Upgrade flask-appbuilder to 4.5.3 or later.

CVE & CISA-KEV Catalog

CVE-2025-24023

LOW

3.7

CVSS v3

NVD

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.

CWE-204 CWE-203

How to fix

Remediation Available

flask-appbuilderNVD

Affected:< 4.5.3Fixed in:4.5.3CVE-2025-24023derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.30%probability of exploitation in 30 days

22ndpercentile

Low risk: more likely to be exploited than 22% of all known CVEs.

References

Vendor Advisory1

github.com

Related Vulnerabilities

Other CWE-204 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-41697	Medium	5.3	20%	-	-
CVE-2016-9499	Medium	5.3	7.8%	-	Fix
CVE-2019-19030	Medium	5.3	1.9%	-	Fix
CVE-2022-0564	Medium	5.3	1.4%	-	Fix
CVE-2021-20049	High	7.5	1.3%	-	Fix
CVE-2021-39189	Medium	5.3	1.2%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-03-07.