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CVE-2020-11981

53
FAUCET Score

CVE-2020-11981 is a critical command injection vulnerability affecting Apache Airflow versions 1.10.10 and below when configured with CeleryExecutor. An attacker with direct access to the Celery broker (Redis or RabbitMQ) can inject arbitrary commands, leading to remote code execution on the Celery worker. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low attack complexity, and complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, public Nuclei templates exist for exploitation, though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.10.10CPE matchmatch criteria
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
33.74%
Probability of exploitation in next 30 days
EPSS Percentile
98.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Nuclei: CVE-2020-11981 · May 16, 2023
This CVE's current EPSS score of 0.3374 is in the 95th percentile among its peer group of 36,821 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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-976r-qfjj-c24wcritical

Command injection via Celery broker in Apache Airflow

Jul 27, 2020

References

lists.apache.org / thread.html/r7255cf0be3566f23a768e2a04b40fb09e52fcd1872695428ba9afe91%40%3Cusers.airflow.apache.org%3E
Mailing ListVendor Advisory