CVE-2021-26697— Apache Airflow: Lineage API endpoint for Experimental API missed authentication check
Quick assessment
Affected
Apache Software Foundation Apache Airflow
Exploitation
High exploitation probability; assess promptly
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 2.0.0 存在访问控制错误漏洞，该漏洞源于已弃用的实验性API的沿袭端点没有受到身份验证的保护。
Possible ATT&CK Techniques 1 AI
T1592 · Gather Victim Host Information
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I. Basic Information for CVE-2021-26697
Vulnerability Information
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Vulnerability Title
Apache Airflow: Lineage API endpoint for Experimental API missed authentication check
Source: CVE Program / CVE List V5
Vulnerability Description
The lineage endpoint of the deprecated Experimental API was not protected by authentication in Airflow 2.0.0. This allowed unauthenticated users to hit that endpoint. This is low-severity issue as the attacker needs to be aware of certain parameters to pass to that endpoint and even after can just get some metadata about a DAG and a Task. 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
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Airflow 访问控制错误漏洞
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 2.0.0 存在访问控制错误漏洞，该漏洞源于已弃用的实验性API的沿袭端点没有受到身份验证的保护。
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-2021-26697
| # | POC Description | Source Link | Shenlong Link |
|---|
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Mailing List Discussions for CVE-2021-26697 (4)
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https://lists.apache.org/thread.html/r36111262a59219a3e2704c71e97cf84937dae5ba7a1da99499e5d8f9%40%3Cannounce.apache.org%3E mailing-list x_refsource_MLIST
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CVE-2021-26697: Apache Airflow: Lineage API endpoint for Experimental API missed authentication check-Apache Mail Archives mailing-list x_refsource_MLIST
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V. Comments for CVE-2021-26697
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