CVE-2023-50943
CVE-2023-50943 is a high-severity vulnerability in Apache Airflow with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-0004
- Weakness: CWE-502
- Affected product: Apache Airflow
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-50943?
- CVE-2023-50943 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2023-50943 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-50943?
- CVE-2023-50943 affects Apache Airflow. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-50943?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2023-50943 have an EU (EUVD) identifier?
- Yes. CVE-2023-50943 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0004.
- When was CVE-2023-50943 published?
- CVE-2023-50943 was published on 2024-01-24 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2024/01/24/4
- https://github.com/apache/airflow/pull/36255
- https://lists.apache.org/thread/fx278v0twqzxkcts70tc04cp3f8p56pn
Affected products (1)
- cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*
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