CVE-2022-21659

Observable Response Discrepancy in Flask-AppBuilder

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Flask-AppBuilder es un marco de desarrollo de aplicaciones, construido sobre el marco web Flask. En las versiones afectadas se presenta una vulnerabilidad de enumeración de usuarios. Esta vulnerabilidad permite a un usuario no autenticado enumerar las cuentas existentes cronometrando el tiempo de respuesta del servidor cuando está iniciándose la sesión. Se recomienda a usuarios actualizar a versión 3.4.4 lo antes posible. No se presentan medidas de mitigación conocidas para este problema

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-11-16 CVE Reserved
2022-01-31 CVE Published
2024-08-03 CVE Updated
2024-10-16 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-203: Observable Discrepancy

CAPEC

References (2)

URL	Tag	Source
https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-wfjw-w6pv-8p7f	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/dpgaspar/Flask-AppBuilder/pull/1775	2022-02-07

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Flask-appbuilder Project Search vendor "Flask-appbuilder Project"		Flask-appbuilder Search vendor "Flask-appbuilder Project" for product "Flask-appbuilder"				< 3.4.2 Search vendor "Flask-appbuilder Project" for product "Flask-appbuilder" and version " < 3.4.2"		-		Affected