Vulnerability in Apache Airflow
CVE-2020-17526
Incorrect Session Validation in Apache Airflow Webserver versions prior to 1.10.14 with default config allows a malicious airflow user on site A where they log in normally, to access unauthorized Airflow Webserver on Site B through the session from Site A. This does not affect users who have changed the default value for `[webserver] secret_key` config.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.233 (97.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.233 · newest: 0.233 · change: 0.000
Affected products
- Apache Airflow
- Apache Software Foundation Airflow — versions Apache Airflow
Public proof-of-concept exploits
References
- lists.apache.org/thread.html/rbeeb73a6c741f2f9200d83b9c2220610da314810c4e8c9cf8… (Mailing List, Vendor Advisory)
- www.openwall.com/lists/oss-security/2020/12/21/1 (mailing-list, Mailing List, Third Party Advisory)
- lists.apache.org/thread.html/r466759f377651f0a690475d5a52564d0e786e82c08d5a5730… (mailing-list)
Frequently asked questions
- What is CVE-2020-17526?
- CVE-2020-17526 is a high-severity vulnerability in Apache Airflow. CVSS score: 7.7/10. Published 2020-12-21.
- How severe is CVE-2020-17526?
- High severity. CVSS v3 base score is 7.7 out of 10.
- Is CVE-2020-17526 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.