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CVE-2021-26559— CWE-284 Improper Access Control on Configurations Endpoint for the Stable API

Quick assessment

Affected
Apache Software Foundation Apache Airflow
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Airflow是美国阿帕奇（Apache）基金会的一套用于创建、管理和监控工作流程的开源平台。该平台具有可扩展和动态监控等特点。 Apache Airflow中存在安全漏洞，该漏洞源于网络系统或产品未正确限制来自未授权角色的资源访问。

AI Predicted 8.1 Difficulty: Easy EPSS 2.80% · P85

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token
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I. Basic Information for CVE-2021-26559

Vulnerability Information
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Vulnerability Title
CWE-284 Improper Access Control on Configurations Endpoint for the Stable API
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Airflow 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Airflow是美国阿帕奇（Apache）基金会的一套用于创建、管理和监控工作流程的开源平台。该平台具有可扩展和动态监控等特点。 Apache Airflow中存在安全漏洞，该漏洞源于网络系统或产品未正确限制来自未授权角色的资源访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Airflow Apache Airflow 2.0.0 -

II. Public POCs for CVE-2021-26559

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III. Intelligence Information for CVE-2021-26559

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Mailing List Discussions for CVE-2021-26559 (3)

IV. Related Vulnerabilities

Same product: Apache Airflow
Same vendor: Apache Software Foundation
Same weakness: CWE-284

V. Comments for CVE-2021-26559

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