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Known exploited vulnerability

CVE-2020-11978

highCVSS 3.1 8.8In CISA KEVEPSS 99%Published · Apache Software Foundation

The short answer

CVE-2020-11978 affects Apache Software Foundation Apache Airflow and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-01-18: attackers are using it, so patch it first. Fixed versions are published for apache-airflow (1.10.11rc1).

What it is

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.

Weakness: CWE-78.

Severity

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Jan 18, 2022

Federal due date Jul 18, 2022

EPSS, next 30 days

99%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected packages and fixed versions

PackageEcosystemFixed inAdvisory
apache-airflowPyPI1.10.11rc1GHSA-rvmq-4x66-q7j3

Is it in your code? Drop your lockfile into the free vulnerability check, or let vulnerability watch check your repository every day and open the upgrade as a pull request.

Affected products

Apache Airflow. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2020-11978 being exploited?

Yes. CISA added CVE-2020-11978 to its Known Exploited Vulnerabilities catalog on 2022-01-18, with a federal remediation due date of 2022-07-18.

How do I fix CVE-2020-11978?

Upgrade to a fixed version: apache-airflow (PyPI) 1.10.11rc1. CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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