XSS in Apache Airflow
CVE-2021-28359
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).
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.144 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.144 · newest: 0.144 · change: 0.000
Affected products
- Apache Airflow
- Apache Software Foundation Airflow — versions Apache Airflow 2.0.0, Apache Airflow 2.0.1, Apache Airflow
Weakness classification (CWE)
References
- lists.apache.org/thread.html/ra8ce70088ba291f358e077cafdb14d174b7a1ce9a9d86d1b3… (Mailing List, Vendor Advisory)
- lists.apache.org/thread.html/rc005f4de9d9b0ba943ceb8ff5a21a5c6ff8a9df5263247669… (mailing-list)
Frequently asked questions
- What is CVE-2021-28359?
- CVE-2021-28359 is a medium-severity vulnerability in Apache Airflow, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-02.
- How severe is CVE-2021-28359?
- Medium severity. CVSS v3 base score is 6.1 out of 10.