CVE-2021-38540

high-risk
Published 2021-09-09

The variable import endpoint was not protected by authentication in Airflow >=2.0.0, <2.1.3. This allowed unauthenticated users to hit that endpoint to add/modify Airflow variables used in DAGs, potentially resulting in a denial of service, information disclosure or remote code execution. This issue affects Apache Airflow >=2.0.0, <2.1.3.

Do I need to act?

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91.8% chance of exploitation in next 30 days
EPSS score — higher than 8% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Fix available
Upgrade to: d7dbfb7e26a50130d3550e781dc71a5fbcaeb3d2
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

57
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 20/34 · Moderate
Exposure 5/34 · Minimal