{"id":"UBUNTU-CVE-2020-8554","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to similar effect.","modified":"2025-07-14T07:15:17.555026Z","published":"2021-01-21T17:15:00Z","withdrawn":"2025-08-28T16:59:42Z","upstream":["CVE-2020-8554"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-8554"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2020/12/07/5"},{"type":"REPORT","url":"https://github.com/kubernetes/kubernetes/issues/97076"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-8554"}],"affected":[{"package":{"name":"kubernetes","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/kubernetes@1.0?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8554.json"}},{"package":{"name":"kubernetes","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/kubernetes@1.0?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8554.json"}},{"package":{"name":"kubernetes","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/kubernetes@1.0?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0"],"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8554.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L"},{"type":"Ubuntu","score":"medium"}]}