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Advisory record · GHSA-hhx9-p69v-cx2j

Authentication bypass in Apache Airflow

CVSS 9.8 CriticalCriticalIn CISA KEVEPSS 1.00 · 99th percentile

Critical, because:

  • In CISA’s KEV catalogue since 18 Jan 2022: it is known to be exploited.
  • CVSS score 9.8: 9.0 or more.
  • CVSS score 9.8 (7.0 or more) and EPSS 1.00 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

How we decide what’s critical

Published by the GitHub Advisory Database at 30 Apr 2021, 17:34 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
apache-airflowPyPI<1.10.111.10.11
Identifiers
GHSA-hhx9-p69v-cx2j · BIT-airflow-2020-13927 · CVE-2020-13927 · PYSEC-2020-18
Weakness (CWE)
CWE-287 · CWE-306 · CWE-1056 · CWE-1188
Tags
Published
30 Apr 2021
Updated
22 Oct 2025

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
9.8 Critical 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H GitHub Advisory Database
  • CISA KEV Listed since 18 Jan 2022: known to be exploited.
  • EPSS 1.00, the 99th percentile, on 8 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 30 Apr 2021. New records show when each source confirmed them.

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.