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Fencer Vulns
low 3.4

CVE-2023-2431 json

Bypass of seccomp profile enforcement

published 2023-06-16 3 y ago modified 2026-09-10 1 mo ago also GHSA-xc8m-28vv-4pjc , GO-2023-1864 , EUVD-2023-1914

cvss
3.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits
0
none known

Summary

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.

Patch / fix

  • go k8s.io/kubernetes 1.24.14, 1.25.10, 1.26.5, 1.27.2
  • Kubernetes Kubernetes v1.24.14, v1.25.9, v1.26.4, v1.27.1
  • kubernetes Debian 14, Debian 13, Debian 12 1.20.5+really1.20.2-1

debian advisories DEBIAN-CVE-2023-2431

  • kubernetes1.23 SLES for SAP 15 SP4, SLES for SAP 15 SP3, SLES 15 SP4-LTSS +5 more 1.23.17-150300.7.12.1
  • kubernetes1.23 SLE Module for Containers 15 SP5, openSUSE Leap 15.5 1.23.17-150500.3.6.1

suse advisories SUSE-SU-2025:02423-2SUSE-SU-2023:2691-1

  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250807T150727-1.1
  • kubernetes1.23 openSUSE Tumbleweed 1.23.17-5.1

opensuse advisories openSUSE-SU-2025:15424-1openSUSE-SU-2024:13013-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-2431 updated cvss 3.4

kubernetes: Bypass of seccomp profile enforcement

  • Red Hat OpenShift API for Data Protection oadp/oadp-velero-plugin-for-microsoft-azure-rhel8 Red Hat OpenShift Serverless io.fabric8:kubernetes-model io.fabric8:kubernetes-model Red Hat Advanced Cluster Security 3 advanced-cluster-security/rhacs-main-rhel8, advanced-cluster-security/rhacs-scanner-rhel8 Red Hat Advanced Cluster Security 4 advanced-cluster-security/rhacs-main-rhel8
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux 7 kubernetes Red Hat Openshift Container Storage 4 ocs4/cephcsi-rhel8, ocs4/mcg-rhel8-operator, ocs4/ocs-rhel8-operator
    affected: no fix planned “Out of support scope”
  • Red Hat Openshift Data Foundation 4 odf4/odf-multicluster-rhel9-operator
    affected: no fix available
  • Red Hat OpenShift GitOps openshift-gitops-1/gitops-rhel8, openshift-gitops-1/argo-rollouts-rhel8 Red Hat OpenStack Platform 16.2 rhosp-rhel8/osp-director-agent
    affected: no fix available “Fix deferred”
  • Red Hat OpenShift Container Platform 4.13 openshift4-wincw/windows-machine-config-rhel9-operator 8.1.0-24
    fixed: vendor fix RHSA-2023:6156
  • Red Hat CloudForms Management Engine 5 kubernetes Red Hat OpenShift Container Platform 4 openshift4/ose-pod, openshift4/metallb-rhel9, openshift4/ose-installer, openshift4/cnf-tests-rhel8, openshift4/ose-docker-builder, openshift4/ose-cluster-capacity, +42 more Red Hat OpenShift Container Platform 4.13 openshift4-wincw/windows-machine-config-operator-bundle v8.1.0-25 Red Hat Openshift Data Foundation 4 odf4/cephcsi-rhel9, odf4/mcg-rhel9-operator, odf4/ocs-rhel9-operator, odf4/odf-rhel8-operator Red Hat OpenShift Data Science (RHODS) rhods/odh-operator-base-rhel8 Red Hat OpenShift GitOps openshift-gitops-1/argocd-rhel8
    +1 more products
    Red Hat Satellite 6 kubernetes
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
22 mo ago

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/kubernetes/kubernetes/issues/118690 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 3.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
GitHub 3.1 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
go k8s.io/kubernetes
<1.24.14
>=1.25.0, <1.25.10
>=1.26.0, <1.26.5
>=1.27.0, <1.27.2
1.24.14
1.25.10
1.26.5
1.27.2

Affected products

  • Kubernetes Kubernetes

Classification

Weakness
  • CWE-1287 Improper Validation of Specified Type of Input
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.