Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-11978

98
FAUCET Score

CVE-2020-11978 is a critical remote code/command injection vulnerability affecting Apache Airflow versions 1.10.10 and below, specifically within an example DAG. This flaw allows any authenticated user to execute arbitrary commands as the Airflow worker/scheduler user. With a CVSS score of 8.8 (High) and an EPSS score indicating extremely high exploitability, this vulnerability presents a significant risk, enabling full compromise of confidentiality, integrity, and availability. It is actively exploited in the wild, listed in CISA's KEV catalog, and has publicly available exploit modules in Metasploit and Nuclei, along with community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.10.11CPE matchmatch criteria
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
99.12%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Jan 18, 2022
Metasploit: Apache Airflow 1.10.10 - Example DAG Remote Code Execution · Jul 14, 2020
Nuclei: CVE-2020-11978 · Jun 3, 2021
ExploitDB: EDB-49927 · Jun 2, 2021
This CVE's current EPSS score of 0.9912 is in the 100th percentile among its peer group of 17,823 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: apache-airflowFixed in: 1.10.11rc1

Vendor Advisories (1)

pipGHSA-rvmq-4x66-q7j3high

Remote code execution (RCE) in Apache Airflow

Jul 27, 2020

References

cisa.gov / known-exploited-vulnerabilities-catalog
Third Party AdvisoryUS Government Resource
packetstormsecurity.com / files/162908/Apache-Airflow-1.10.10-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/174764/Apache-Airflow-1.10.10-Remote-Code-Execution.html
ExploitThird Party AdvisoryVDB Entry
lists.apache.org / thread.html/r7255cf0be3566f23a768e2a04b40fb09e52fcd1872695428ba9afe91%40%3Cusers.airflow.apache.org%3E
Mailing ListVendor Advisory