Deserialization in Apache Airflow
CVE-2023-50943
Apache Airflow, versions before 2.8.1, have a vulnerability that allows a potential attacker to poison the XCom data by bypassing the protection of "enable_xcom_pickling=False" configuration setting resulting in poisoned data after XCom deserialization. This vulnerability is considered low since it requires a DAG author to exploit it. Users are recommended to upgrade to version 2.8.1 or later, which fixes this issue.
Vulnerability class: Insecure Deserialization
EPSS: 0.012 (65.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Apache Airflow
- Apache Software Foundation Airflow — versions 0
Weakness classification (CWE)
References
- security@apache.org (Third Party Advisory, patch)
- security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
- security@apache.org (Mailing List)
Frequently asked questions
- What is CVE-2023-50943?
- CVE-2023-50943 is a high-severity vulnerability in Apache Airflow, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2024-01-24.
- How severe is CVE-2023-50943?
- High severity. CVSS v3 base score is 7.5 out of 10.