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Fencer Vulns
medium 6.5

CVE-2022-3162 json

Unauthorized read of Custom Resources

published 2023-03-01 3 y ago modified 2026-06-17 4 mo ago also GHSA-2394-5535-8j88 , GO-2023-1628 , EUVD-2023-0823

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 73%
public exploits
0
none known

Summary

Users authorized to list or watch one type of namespaced custom resource cluster-wide can read custom resources of a different type in the same API group without authorization. Clusters are impacted by this vulnerability if all of the following are true: 1. There are 2+ CustomResourceDefinitions sharing the same API group 2. Users have cluster-wide list or watch authorization on one of those custom resources. 3. The same users are not authorized to read another custom resource in the same API group.

Patch / fix

  • go github.com/kubernetes/kubernetes 1.22.16, 1.23.14, 1.24.8, 1.25.4
  • go k8s.io/kubernetes 1.22.16, 1.23.14, 1.24.8, 1.25.4
  • kubernetes Debian 14, Debian 13, Debian 12 1.20.5+really1.20.2-1

debian advisories DEBIAN-CVE-2022-3162

  • tox openshift ironic 4.12 3.23.0-2.el9.1
  • crit openshift 4.12 3.15-4.rhaos4.11.el8
  • criu openshift 4.12 3.15-4.rhaos4.11.el8
  • crun openshift 4.12 1.4.2-1.rhaos4.11.el8
  • crun openshift 4.12 1.4.2-2.rhaos4.12.el9
  • grpc openshift 4.12 1.18.0-4.el8ost
  • runc openshift 4.12 3:1.1.2-2.rhaos4.12.el8
  • tini openshift 4.12 0.16.1-1.el8ar

red hat advisories RHSA-2022:7398RHSA-2023:0772

  • kubernetes1.23 SLES for SAP 15 SP3, SLES 15 SP3-LTSS, SLE Module for Containers 15 SP4 +3 more 1.23.17-150300.7.6.1

suse advisories SUSE-SU-2023:2292-1

  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250807T150727-1.1
  • kubernetes1.25 openSUSE Tumbleweed 1.25.7-1.1

opensuse advisories openSUSE-SU-2025:15424-1openSUSE-SU-2024:12810-1

  • cert-manager CBL-Mariner 2.0 1.11.2-1
  • keda CBL-Mariner 2.0 2.4.0-29
  • kube-vip-cloud-provider CBL-Mariner 2.0 0.0.2-21
  • rook CBL-Mariner 2.0 1.6.2-25
  • prometheus-adapter CBL-Mariner 2.0 0.10.0-17
  • kubernetes CBL-Mariner 2.0 1.25.4-0
  • keda Azure Linux 3.0 2.14.0-1

azure linux advisories AZL-13780AZL-13781AZL-13782AZL-13783AZL-25938AZL-31287

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2022-3162 updated cvss 6.5

kubernetes: Unauthorized read of Custom Resources

  • Red Hat OpenShift Container Platform 3.11 atomic-openshift, atomic-openshift-pod, atomic-openshift-node, atomic-openshift-tests, atomic-openshift-master, atomic-openshift-clients, +7 more
    affected: no fix planned “Out of support scope”
  • Red Hat OpenShift Container Platform 4 openshift4/ose-tests
    affected: no fix planned “Will not fix”
  • Red Hat OpenShift Container Platform 4.12 openshift 4.12.0-202301042257.p0.g77bec7a.assembly.stream.el8, openshift 4.12.0-202301042257.p0.g77bec7a.assembly.stream.el9, microshift 4.12.4-202302151633.p0.gb9fe8ac.assembly.4.12.4.el8, microshift-selinux 4.12.4-202302151633.p0.gb9fe8ac.assembly.4.12.4.el8, openshift-hyperkube 4.12.0-202301042257.p0.g77bec7a.assembly.stream.el8, openshift-hyperkube 4.12.0-202301042257.p0.g77bec7a.assembly.stream.el9, +2 more
    fixed: vendor fix RHSA-2023:0772
  • Red Hat Ironic content for Red Hat OpenShift Container Platform 4.12 tox 3.23.0-2.el9.1, crudini 0.9.3-4.el9, pysnmp 4.4.12-6.el9, future 0.18.2-9.el9.1, subunit 1.4.0-6.el9.1, pyflakes 2.2.0-3.el9.1, +451 more Red Hat OpenShift Container Platform 4.12 nmstate 1.3.3-1.el8, ostree 2022.2-5.el8, tini 0.16.1-1.el8ar, buildah 1.23.4-2.el8, grpc 1.18.0-4.el8ost, haproxy 2.2.24-1.el8, +234 more
    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
none
Automatable
no
Technical impact
partial
Assessed
20 mo ago

Exploit prediction

1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/kubernetes/kubernetes
>=1.25.0, <1.25.4
>=1.24.0, <1.24.8
>=1.23.0, <1.23.14
>=1.22.0, <1.22.16
1.25.4
1.24.8
1.23.14
1.22.16
go k8s.io/kubernetes
>=1.22.0, <1.22.16
>=1.23.0, <1.23.14
>=1.24.0, <1.24.8
>=1.25.0, <1.25.4
1.22.16
1.23.14
1.24.8
1.25.4

Affected products

  • Kubernetes Kubernetes

Classification

Weakness
  • CWE-23 Relative Path Traversal
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
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.