CVE-2021-28359

mediumpriority · track · 29EPSS 0.144 · 97 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

14.4% (97th) EPSS

CVSS 4.3 · medium

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

The "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions <1.10.15 in 1.x series and affects 2.0.0 and 2.0.1 and 2.x series. This is the same as CVE-2020-13944 & CVE-2020-17515 but the implemented fix did not fix the issue completely. Update to Airflow 1.10.15 or 2.0.2. Please also update your Python version to the latest available PATCH releases of the installed MINOR versions, example update to Python 3.6.13 if you are on Python 3.6. (Those contain the fix for CVE-2021-23336 https://nvd.nist.gov/vuln/detail/CVE-2021-23336).

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (11)

Products and version ranges known to be affected.

Apache Software Foundation Apache Airflow≤ Apache Airflow 2.0.0enisa_euvdEU
Apache Software Foundation Apache Airflow≤ Apache Airflow 2.0.1enisa_euvdEU
Apache Software Foundation Apache AirflowApache Airflow → 1.10.15enisa_euvdEU
apache airflow1.0.0 → 1.10.15nvdUScpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*
apache airflow2.0.0 → 2.0.2nvdUScpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*
Bitnami airflow1.0.0 → 1.10.15osvUSpkg:bitnami/airflow
Bitnami airflow2.0.0 → 2.0.2osvUSpkg:bitnami/airflow
PyPI apache-airflow< 1.10.15osvUSpkg:pypi/apache-airflow
PyPI apache-airflow1.8.1 → 1.10.15osvUSpkg:pypi/apache-airflow
PyPI apache-airflow2.0.0 → 2.0.2osvUSpkg:pypi/apache-airflow
PyPI apache-airflow2.0.0a1 → 2.0.2osvUSpkg:pypi/apache-airflow

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-3xxv-p78r-4fc6Cross-site Scripting in Apache Airflow2021-06-18ghsa · osvUS
The "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions <1.10.15 in 1.x series and affects 2.0.0 and 2.0.1 and 2.x series. This is the same as CVE-2020-13944 & CVE-2020-17515 but the implemented fix did not fix the issue completely. Update to Airflow 1.10.15 or 2.0.2. Please also update your Python version to the latest available PATCH releases of the installed MINOR versions, example update to Python 3.6.13 if you are on Python 3.6. (Those contain the fix for CVE-2021-23336 https://nvd.nist.gov/vuln/detail/CVE-2021-23336).
BIT-airflow-2021-28359Apache Airflow Reflected XSS via Origin Query Argument in URL2024-03-06vendor · osvUS
The "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions <1.10.15 in 1.x series and affects 2.0.0 and 2.0.1 and 2.x series. This is the same as CVE-2020-13944 & CVE-2020-17515 but the implemented fix did not fix the issue completely. Update to Airflow 1.10.15 or 2.0.2. Please also update your Python version to the latest available PATCH releases of the installed MINOR versions, example update to Python 3.6.13 if you are on Python 3.6. (Those contain the fix for CVE-2021-23336 https://nvd.nist.gov/vuln/detail/CVE-2021-23336).
PYSEC-2021-42021-05-02vendor · osvUS
The "origin" parameter passed to some of the endpoints like '/trigger' was vulnerable to XSS exploit. This issue affects Apache Airflow versions <1.10.15 in 1.x series and affects 2.0.0 and 2.0.1 and 2.x series. This is the same as CVE-2020-13944 & CVE-2020-17515 but the implemented fix did not fix the issue completely. Update to Airflow 1.10.15 or 2.0.2. Please also update your Python version to the latest available PATCH releases of the installed MINOR versions, example update to Python 3.6.13 if you are on Python 3.6. (Those contain the fix for CVE-2021-23336 https://nvd.nist.gov/vuln/detail/CVE-2021-23336).

also known as (7)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2021-05-02modified 2026-06-17

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+53003 more

references (10)

External citations — patches, advisories, analysis.

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