title: Unauthorized read of Custom Resources
description: 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.
problem types: CWE-23 Relative Path Traversal
affected:
{
vendor: Kubernetes
product: Kubernetes
versions:
version: unspecified, lessThanOrEqual: v1.25.3, status: affected, versionType: custom
version: unspecified, lessThanOrEqual: v1.24.7, status: affected, versionType: custom
version: unspecified, lessThanOrEqual: v1.23.13, status: affected, versionType: custom
version: unspecified, lessThanOrEqual: v1.22.15, status: affected, versionType: custom
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
baseScore: 6.5
baseSeverity: MEDIUM
]