RCE in Apache Airflow

CVE-2020-11981

An issue was found in Apache Airflow versions 1.10.10 and below. When using CeleryExecutor, if an attacker can connect to the broker (Redis, RabbitMQ) directly, it is possible to inject commands, resulting in the celery worker running arbitrary commands.

Vulnerability class: Command Injection (OS Command Injection)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.368 (98.5th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-11981: held from 0.365 to 0.368.

EPSS over last 30 days · oldest: 0.365 · newest: 0.368 · change: +0.003

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-11981?
CVE-2020-11981 is a critical-severity vulnerability in Apache Airflow, classified under OS Command Injection. CVSS score: 9.8/10. Published 2020-07-17.
How severe is CVE-2020-11981?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-11981 known to be exploited?
12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.