CVE-2022-21659
Observable Response Discrepancy in Flask-AppBuilder
5.3
MEDIUM
CVSS 3.1
EPSS 0.34%
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.
How to fix CVE-2022-21659
To remediate CVE-2022-21659, upgrade the affected package to a fixed version below.
- —upgrade to 3.4.4 or later
- —upgrade to 3.4.2 or later
Is CVE-2022-21659 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.4.4
- from 0, < 3.4.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |