{"cve":"CVE-2020-8554","nvd":{"published":"2021-01-21T17:15:13.843","modified":"2026-06-17T03:26:32.447","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","score":5.0},"cwes":["CWE-283"],"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"],"products":["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"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-8554","score":0.08721,"percentile":0.95141,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-j9wf-vvm6-4r9w","url":"https://osv.dev/vulnerability/GHSA-j9wf-vvm6-4r9w","summary":"Unverified Ownership in Kubernetes","modified":"2026-09-10T03:49:28.093743138Z","packages":[{"ecosystem":"Go","name":"k8s.io/kubernetes","purl":"pkg:golang/k8s.io/kubernetes","ranges":["<=1.22.0"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}