CVSS 3.1
5.0 mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:LCVE-2020-8554
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.
Severity
- EPSS
- 8.7% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
- CWE
- CWE-283
- Published
- Modified
- Record from
- the NVD, synced
Affected
- kubernetes:kubernetes
- oracle:communications_cloud_native_core_network_slice_selection_function
- oracle:communications_cloud_native_core_policy
- oracle:communications_cloud_native_core_service_communication_proxy
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-j9wf-vvm6-4r9w | Go | k8s.io/kubernetes | <=1.22.0 | no fix published |
References
- https://github.com/kubernetes/kubernetes/issues/97076
- https://groups.google.com/g/kubernetes-security-announce/c/iZWsF9nbKE8
- https://kubernetes.io/blog/2026/05/26/reconciling-unfixed-kubernetes-cves/
- https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40%40%3Ccommits.druid.apache.org%3E
- https://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942%40%3Ccommits.druid.apache.org%3E