{"id":"CVE-2020-8554","aliases":["GHSA-j9wf-vvm6-4r9w"],"url":"https://o3.security/vulnerability/CVE-2020-8554","summary":"Unverified Ownership in Kubernetes","details":"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.","published":"2021-01-21T17:15:13.843Z","modified":"2026-08-07T15:14:50.457602Z","cvss":{"score":5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":3,"affectedPackages":[{"ecosystem":"Go","name":"k8s.io/kubernetes","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40%40%3Ccommits.druid.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942%40%3Ccommits.druid.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rcafa485d63550657f068775801aeb706b7a07140a8ebbdef822b3bb3%40%3Ccommits.druid.apache.org%3E"},{"type":"WEB","url":"https://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6%40%3Ccommits.druid.apache.org%3E"},{"type":"ADVISORY","url":"https://groups.google.com/g/kubernetes-security-announce/c/iZWsF9nbKE8"},{"type":"FIX","url":"https://www.oracle.com//security-alerts/cpujul2021.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"FIX","url":"https://www.oracle.com/security-alerts/cpujan2022.html"},{"type":"ARTICLE","url":"https://kubernetes.io/blog/2026/05/26/reconciling-unfixed-kubernetes-cves/"},{"type":"EVIDENCE","url":"https://github.com/kubernetes/kubernetes/issues/97076"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T15:14:50.457602Z"}}