title: Kubernetes - API server - Aggregated API server can cause clients to be redirected (SSRF)
description: A security issue was discovered in kube-apiserver that allows an
aggregated API server to redirect client traffic to any URL.  This could
lead to the client performing unexpected actions as well as forwarding
the client's API server credentials to third parties.
problem types: CWE-918 Server-Side Request Forgery (SSRF)
affected:
{
defaultStatus: unaffected
product: kube-apiserver
repo: https://github.com/kubernetes/kubernetes
vendor: Kubernetes
versions:
status: affected, version: v1.25.0
lessThanOrEqual: v1.24.4, status: affected, version: v1.24.0, versionType: semver
lessThanOrEqual: v1.23.10, status: affected, version: v1.23.0, versionType: semver
lessThanOrEqual: v1.22.13, status: affected, version: v1.22.0, versionType: semver
status: unaffected, version: v1.25.1
status: unaffected, version: v1.24.5
status: unaffected, version: v1.23.11
status: unaffected, version: v1.22.14
lessThanOrEqual: v1.21.14, status: affected, version: 0, versionType: semver
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 5.1
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: HIGH
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L
version: 3.1
]
format: CVSS
scenarios: GENERAL