CVE-2022-21659

MEDIUM
Published Jan 31, 20224y ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Jan 31, 2022 4y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-203

Affected Products 1

VendorProductVersionRange
dpgasparflask-appbuilder* <3.4.2

References 2

  • github.com https://github.com/dpgaspar/Flask-AppBuilder/pull/1775
    PatchThird Party Advisory
  • github.com https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-wfjw-w6pv-8p7f
    Third Party Advisory

Remediation

  • github.com https://github.com/dpgaspar/Flask-AppBuilder/pull/1775
    PatchThird Party Advisory