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CVE-2020-11978 (GCVE-0-2020-11978)

Vulnerability from cvelistv5 – Published: 2020-07-16 00:00 – Updated: 2025-10-21 23:35
VLAI CISA Shadowserver Previdian
Summary
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.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-06 20:53 UTC
CWE
  • Remote Code Execution
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
Impacted products
Vendor Product Version CPE status
Apache Software Foundation Apache Airflow Affected: 1.10.10 and below
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 580d476f-5687-4b08-80d5-7b140166a429

Vulnerability ID: CVE-2020-11978

Status: Confirmed

Status Updated: 2022-01-18 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-01-18
Asserted: 2022-01-18
Scope
Notes: KEV entry: Apache Airflow Command Injection | Affected: Apache / Airflow | Description: A remote code/command injection vulnerability was discovered in one of the example DAGs shipped with Airflow. | Required action: Apply updates per vendor instructions. | Due date: 2022-07-18 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2020-11978
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-78
Feed CISA Known Exploited Vulnerabilities Catalog
Product Airflow
Due Date 2022-07-18
Date Added 2022-01-18
Vendorproject Apache
Vulnerabilityname Apache Airflow Command Injection
Knownransomwarecampaignuse Unknown
References
Created: 2026-02-02 12:28 UTC | Updated: 2026-02-06 07:17 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: efa7dc9f-1505-40a8-9444-7a286caf6867

Vulnerability ID: CVE-2020-11978

Status: Confirmed

Status Updated: 2026-07-19 00:00 UTC

Exploited: Yes

Characteristics
Severity: 88.0
Timestamps
First Seen: 2023-10-14
Asserted: 2023-10-14
Last Seen: 2026-07-19
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Apache / Airflow | Class: other-software | Severity: High (CVSS 8.8) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-07-19: 1
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot no
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class other-software
7D Avg 0
Vendor Apache
30D Avg 5
90D Avg 4
Product Airflow
Cisa Kev yes
Connections 1
Observation Date 2026-07-19
Vulnerability Class CVSS
Vulnerability Score 8.8
Vulnerability Severity High
References
Created: 2026-06-30 09:22 UTC | Updated: 2026-07-21 01:01 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 0a1349ad-43cb-4751-87b0-55de0c042231

Vulnerability ID: CVE-2020-11978

Status: Confirmed

Status Updated: 2022-01-18 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-01-18
Asserted: 2022-01-18
Scope
Notes: KEVIntel entry: 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... | Affected: Apache Software Foundation / Apache Airflow | CVSS: 8.8 (HIGH) | EPSS: 0.99118 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title 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...
Vendor Apache Software Foundation
Product Apache Airflow
Added Date 2022-01-18T00:00:00.000Z
Cvss Score 8.8
Epss Score 0.99118
Cvss Severity HIGH
Epss Percentile 0.99927
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:04 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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        "datePublished": "2020-07-16T00:00:00.000Z",
        "dateReserved": "2020-04-21T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:35:39.214Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
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  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.