How severe is CVE-2023-33234?

CVE-2023-33234 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-33234 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33234?

CVE-2023-33234 affects Apache Apache-airflow-providers-cncf-kubernetes. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-33234?

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.

When was CVE-2023-33234 published?

CVE-2023-33234 was published on 2023-05-30 and last updated on 2026-07-02.

CVE-2023-33234

CVE-2023-33234 is a high-severity vulnerability in Apache Apache-airflow-providers-cncf-kubernetes with a CVSS 3.x base score of 7.2. 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-74.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Apache Apache-airflow-providers-cncf-kubernetes
Published: 2023-05-30
Last modified: 2026-07-02

Description

Arbitrary code execution in Apache Airflow CNCF Kubernetes provider version 5.0.0 allows user to change xcom sidecar image and resources via Airflow connection. In order to exploit this weakness, a user would already need elevated permissions (Op or Admin) to change the connection object in this manner. Operators should upgrade to provider version 7.0.0 which has removed the vulnerability.

Frequently asked questions

What is CVE-2023-33234?: Arbitrary code execution in Apache Airflow CNCF Kubernetes provider version 5.0.0 allows user to change xcom sidecar image and resources via Airflow connection. In order to exploit this weakness, a user would already need elevated permissions (Op or Admin) to change the connection object in this manner. Operators should upgrade to provider version 7.0.0 which has removed the vulnerability.
How severe is CVE-2023-33234?: CVE-2023-33234 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-33234 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33234?: CVE-2023-33234 affects Apache Apache-airflow-providers-cncf-kubernetes. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-33234?: 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.
When was CVE-2023-33234 published?: CVE-2023-33234 was published on 2023-05-30 and last updated on 2026-07-02.

References

https://lists.apache.org/thread/n1vpgl6h2qsdm52o9m2tx1oo86tl4gnq

Affected products (1)

cpe:2.3:a:apache:apache-airflow-providers-cncf-kubernetes:*:*:*:*:*:*:*:*

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