CVE-2021-26559

CWE-284 Improper Access Control on Configurations Endpoint for the Stable API

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Improper Access Control on Configurations Endpoint for the Stable API of Apache Airflow allows users with Viewer or User role to get Airflow Configurations including sensitive information even when `[webserver] expose_config` is set to `False` in `airflow.cfg`. This allowed a privilege escalation attack. This issue affects Apache Airflow 2.0.0.

Un Control de Acceso Inapropiado en el Endpoint Configurations para la API Stable de Apache Airflow permite a usuarios con rol de Visualizadores o Usuario obtener Configuraciones de Airflow, incluyendo información confidencial, incluso cuando "[webserver] expose_config" está configurado como "False" en "airflow.cfg". Esto permitió un ataque de escalada de privilegios. Este problema afecta a Apache Airflow versión 2.0.0

*Credits: Apache Airflow would like to thank Ian Carroll for reporting this issue.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-02-02 CVE Reserved
2021-02-17 CVE Published
2024-01-10 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-284: Improper Access Control

CAPEC

References (3)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2021/02/17/1	Mailing List
https://lists.apache.org/thread.html/rd142565996d7ee847b9c14b8a9921dcf80bc6bc160e3d9dca6dfc2f8%40%3Cannounce.apache.org%3E	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://lists.apache.org/thread.html/r3b3787700279ec361308cbefb7c2cce2acb26891a12ce864e4a13c8d%40%3Cusers.airflow.apache.org%3E	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Apache Search vendor "Apache"		Airflow Search vendor "Apache" for product "Airflow"				2.0.0 Search vendor "Apache" for product "Airflow" and version "2.0.0"		-		Affected