CVE-2023-2431
CVE-2023-2431 is a low-severity vulnerability in Kubernetes with a CVSS 3.x base score of 3.4. 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-1287.
Key facts
- Severity: Low (CVSS 3.x base score 3.4)
- EPSS exploit prediction: 0% (17th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1287
- Affected product: Kubernetes
- Published:
- Last modified:
Description
A security issue was discovered in Kubelet that allows pods to bypass the seccomp profile enforcement. Pods that use localhost type for seccomp profile but specify an empty profile field, are affected by this issue. In this scenario, this vulnerability allows the pod to run in unconfined (seccomp disabled) mode. This bug affects Kubelet.
Frequently asked questions
- What is CVE-2023-2431?
- A security issue was discovered in Kubelet that allows pods to bypass the seccomp profile enforcement. Pods that use localhost type for seccomp profile but specify an empty profile field, are affected by this issue. In this scenario, this vulnerability allows the pod to run in unconfined (seccomp disabled) mode. This bug affects Kubelet.
- How severe is CVE-2023-2431?
- CVE-2023-2431 has a CVSS 3.x base score of 3.4, rated low severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2023-2431 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-2431?
- CVE-2023-2431 primarily affects Kubernetes. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-2431?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-2431 published?
- CVE-2023-2431 was published on 2023-06-16 and last updated on 2026-06-17.
References
- https://github.com/kubernetes/kubernetes/issues/118690
- https://groups.google.com/g/kubernetes-security-announce/c/QHmx0HOQa10
- https://lists.fedoraproject.org/archives/list/[email protected]/message/43HDSKBKPSW53OW647B5ETHRWFFNHSRQ/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/XBX4RL4UOC7JHWWYB2AJCKSUM7EG5Y5G/
Affected products (2)
- cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
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