VULNERABILITY INTELLIGENCE

CVE-2022-21659

CVSS score5.3 MEDIUM

EPSS probability0.95%

CISA KEVNot currently listed

Published2022-01-31

Last modified2026-06-17

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

Description

Flask-AppBuilder is an application development framework, built on top of the Flask web framework. In affected versions there exists a user enumeration vulnerability. This vulnerability allows for a non authenticated user to enumerate existing accounts by timing the response time from the server when you are logging in. Users are advised to upgrade to version 3.4.4 as soon as possible. There are no known workarounds for this issue.

Weakness classification

nvd@nist.gov: CWE-203
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-203

Primary references

security-advisories@github.com — Patch, Third Party Advisory
security-advisories@github.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory