CVE-2021-41265

Improper Authentication in Flask-AppBuilder

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Flask-AppBuilder is a development framework built on top of Flask. Verions prior to 3.3.4 contain an improper authentication vulnerability in the REST API. The issue allows for a malicious actor with a carefully crafted request to successfully authenticate and gain access to existing protected REST API endpoints. This only affects non database authentication types and new REST API endpoints. Users should upgrade to Flask-AppBuilder 3.3.4 to receive a patch.

Flask-AppBuilder es un marco de desarrollo construido sobre Flask. Las versiones anteriores a la 3.3.4 contienen una vulnerabilidad de autenticación inapropiada en la API REST. El problema permite a un actor malicioso con una petición cuidadosamente diseñada sea autenticado con éxito y obtenga acceso a los endpoints de la API REST protegidos existentes. Esto sólo afecta a los tipos de autenticación que no son de base de datos y a los nuevos endpoints de la API REST. Los usuarios deben actualizar a Flask-AppBuilder versión 3.3.4 para recibir un parche

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-09-15 CVE Reserved
2021-12-09 CVE Published
2023-07-31 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (3)

URL	Tag	Source
https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v3.3.4	Release Notes
https://github.com/dpgaspar/Flask-AppBuilder/security/advisories/GHSA-m3rf-7m4w-r66q	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://github.com/dpgaspar/Flask-AppBuilder/commit/eba517aab121afa3f3f2edb011ec6bc4efd61fbc	2021-12-15

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"				< 3.3.4 Search vendor "Flask-appbuilder Project" for product "Flask-appbuilder" and version " < 3.3.4"		-		Affected