What is CVE-2023-2431?

CVE-2023-2431 is a low-severity vulnerability in Kubernetes, classified under CWE-1287. CVSS score: 3.4/10. Published 2023-06-16.

How severe is CVE-2023-2431?

Low severity. CVSS v3 base score is 3.4 out of 10.

Is CVE-2023-2431 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Kubernetes

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.

EPSS: 0.003 (17.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.

Affected products

Kubernetes — versions 0, v1.25.0, v1.26.0
Fedoraproject Fedora — versions 38

Weakness classification (CWE)

CWE-1287

Public proof-of-concept exploits

References

jordan@liggitt.net (Mailing List)
jordan@liggitt.net (Issue Tracking)
jordan@liggitt.net (Mailing List)
jordan@liggitt.net

Frequently asked questions

What is CVE-2023-2431?: CVE-2023-2431 is a low-severity vulnerability in Kubernetes, classified under CWE-1287. CVSS score: 3.4/10. Published 2023-06-16.
How severe is CVE-2023-2431?: Low severity. CVSS v3 base score is 3.4 out of 10.
Is CVE-2023-2431 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.