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Vulnerability record · CVE-2020-17515 · published 11 December 2020

CVE-2020-17515: Apache airflow cross-site scripting vulnerability

Apache · Airflow

The "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions prior to 1.10.13. This is same as CVE-2020-13944 but the implemented fix in Airflow 1.10.13 did not fix the issue completely.

6.1 CVSS 3.1 Medium EPSS 16% · top 3.2% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
16%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
22References
17 Jun 2026Last modified by NVD

Description

The "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions prior to 1.10.13. This is same as CVE-2020-13944 but the implemented fix in Airflow 1.10.13 did not fix the issue completely.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2020/12/11/2 Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2021/05/01/2 Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cannounce.apache.org%
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cdev.airflow.apache.o
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cusers.airflow.apache
https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache Issue TrackingMailing ListVendor Advisory
https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache Issue TrackingMailing ListVendor Advisory
https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache Issue TrackingMailing ListVendor Advisory
https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache Issue TrackingMailing ListVendor Advisory
https://lists.apache.org/thread.html/ra8ce70088ba291f358e077cafdb14d174b7a1ce9a9d86d1b332d6367%40%3Cusers.airflow.apache
https://lists.apache.org/thread.html/rc005f4de9d9b0ba943ceb8ff5a21a5c6ff8a9df52632476698d99432%40%3Cannounce.apache.org%
http://www.openwall.com/lists/oss-security/2020/12/11/2 Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2021/05/01/2 Mailing ListThird Party Advisory
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cannounce.apache.org%
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cdev.airflow.apache.o
https://lists.apache.org/thread.html/r2892ef594dbbf54d0939b808626f52f7c2d1584f8aa1d81570847d2a%40%3Cusers.airflow.apache
https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache Issue TrackingMailing ListVendor Advisory
https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache Issue TrackingMailing ListVendor Advisory
https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache Issue TrackingMailing ListVendor Advisory
https://lists.apache.org/thread.html/r4656959c8ed06c1f6202d89aa4e67b35ad7bdba5a666caff3fea888e%40%3Cusers.airflow.apache Issue TrackingMailing ListVendor Advisory
https://lists.apache.org/thread.html/ra8ce70088ba291f358e077cafdb14d174b7a1ce9a9d86d1b332d6367%40%3Cusers.airflow.apache
https://lists.apache.org/thread.html/rc005f4de9d9b0ba943ceb8ff5a21a5c6ff8a9df52632476698d99432%40%3Cannounce.apache.org%

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-13927Apache Airflow Experimental API missing authentication by defaultAirflow's Experimental API defaulted to allowing all requests without authentication, so any reachable instance exposed its API to unauthenticated ca…KEVEPSS 100%analysed8.8CVE-2020-11978Apache Airflow example DAG command injectionApache Airflow 1.10.10 and below ship an example DAG containing an OS command injection flaw. Any authenticated user can execute arbitrary commands a…KEVEPSS 99%analysed9.8CVE-2026-33264Apache airflow deserialization of untrusted data vulnerabilityA bug in `BaseSerialization.deserialize()` allowed unrestricted `import_string()` of attacker-controlled class paths when the Scheduler / API Server …EPSS 1.6%9.8CVE-2023-25754Apache airflow vulnerabilityPrivilege Context Switching Error vulnerability in Apache Software Foundation Apache Airflow.This issue affects Apache Airflow: before 2.6.0.EPSS 2.3%9.8CVE-2023-22884Apache airflow command injection vulnerabilityImproper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Apache Software Foundation Apache Airflow, Apach…EPSS 11%9.8CVE-2022-40189Apache airflow os command injection vulnerabilityImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache Airflow Pig Provider, Apache Airfl…EPSS 4.1%9.8CVE-2022-38649Apache airflow os command injection vulnerabilityImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability in Apache Airflow Pinot Provider, Apache Air…EPSS 3.3%9.8CVE-2022-38054Apache airflow vulnerabilityIn Apache Airflow versions 2.2.4 through 2.3.3, the `database` webserver session backend was susceptible to session fixation.EPSS 2.1%

Source: NIST National Vulnerability Database (record CVE-2020-17515), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.