Unverified Ownership in Kubernetes
Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Additionally, an attacker who is able to patch the status (which is considered a privileged operation and should not typically be granted to users) of a LoadBalancer service can set the status.loadBalancer.ingress.ip to similar effect.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-8554US | medium5.0 | Exploit | ||
Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Addit… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/kubernetes/kubernetesPACKAGE
- https://github.com/kubernetes/kubernetes/issues/97076WEB
- https://github.com/kubernetes/kubernetes/issues/97110WEB
- https://groups.google.com/g/kubernetes-security-announce/c/iZWsF9nbKE8WEB
- https://kubernetes.io/blog/2026/05/26/reconciling-unfixed-kubernetes-cvesWEB
- https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40%40%3Ccommits.druid.apache.org%3EWEB
- https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40@%3Ccommits.druid.apache.org%3EWEB
- https://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942%40%3Ccommits.druid.apache.org%3EWEB
scry
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