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CVE-2020-13927: Apache Airflow's Experimental API Authentication Bypass

criticalknown exploitedpublic exploitCVE-2020-13927
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
The previous default setting for Airflow's Experimental API was to allow all API requests without authentication.

CSIRTS triage

vendor: Apacheproduct: Apache AirflowAuthentication bypass
What
The previous default setting for Airflow's Experimental API was to allow all API requests without authentication.
Who is affected
Deployments of Apache Airflow with the Experimental API enabled are affected.
Urgency
Immediate remediation is necessary as the vulnerability is actively exploited and classified as critical.
Action
Update to the latest version of Apache Airflow to secure the API.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-01-18
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2020-13927

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2020-13927coverage & exploitation statusNVD · CVE.org

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