CVE-2020-11978 is a vulnerability in Apache AirFlow
Published on July 17, 2020
An issue was found in Apache Airflow versions 1.10.10 and below. A remote code/command injection vulnerability was discovered in one of the example DAGs shipped with Airflow which would allow any authenticated user to run arbitrary commands as the user running airflow worker/scheduler (depending on the executor in use). If you already have examples disabled by setting load_examples=False in the config then you are not vulnerable.
Known Exploited Vulnerability
This Apache Airflow Command Injection vulnerability is part of CISA's list of Known Exploited Vulnerabilities. A remote code/command injection vulnerability was discovered in one of the example DAGs shipped with Airflow.
The following remediation steps are recommended / required by July 18, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2020-11978 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Shell injection Vulnerability?
The software constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
CVE-2020-11978 has been classified to as a Shell injection vulnerability or weakness.
Products Associated with CVE-2020-11978
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Affected Versions
Apache Software Foundation Apache Airflow Version 1.10.10 and below is affected by CVE-2020-11978Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.