{"id":"GO-2024-2748","summary":"Privilege Escalation in Kubernetes in k8s.io/apimachinery","details":"The Kubernetes kube-apiserver is vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.","aliases":["CVE-2020-8559","GHSA-33c5-9fx5-fvjm"],"modified":"2026-02-04T03:58:08.676647Z","published":"2024-05-20T19:46:32Z","related":["CGA-wfgx-x98f-7jmq"],"database_specific":{"review_status":"REVIEWED","url":"https://pkg.go.dev/vuln/GO-2024-2748"},"references":[{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-33c5-9fx5-fvjm"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1851422"},{"type":"WEB","url":"https://github.com/kubernetes/kubernetes/issues/92914"},{"type":"WEB","url":"https://github.com/kubernetes/kubernetes/pull/92941"},{"type":"WEB","url":"https://github.com/tdwyer/CVE-2020-8559"},{"type":"WEB","url":"https://groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ"},{"type":"WEB","url":"https://groups.google.com/g/kubernetes-security-announce/c/JAIGG5yNROs"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20200810-0004"}],"affected":[{"package":{"name":"k8s.io/apimachinery","ecosystem":"Go","purl":"pkg:golang/k8s.io/apimachinery"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.16.13"},{"introduced":"0.17.0"},{"fixed":"0.17.9"},{"introduced":"0.18.0"},{"fixed":"0.18.7-rc.0"}]}],"ecosystem_specific":{"imports":[{"path":"k8s.io/apimachinery/pkg/util/net","symbols":["ConnectWithRedirects"]},{"path":"k8s.io/apimachinery/pkg/util/proxy","symbols":["UpgradeAwareHandler.ServeHTTP","UpgradeAwareHandler.tryUpgrade"]}]},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2024-2748.json"}},{"package":{"name":"k8s.io/kubernetes","ecosystem":"Go","purl":"pkg:golang/k8s.io/kubernetes"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.16.13"},{"introduced":"1.17.0"},{"fixed":"1.17.9"},{"introduced":"1.18.0"},{"fixed":"1.18.7"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2024-2748.json"}}],"schema_version":"1.7.3"}