{"id":"GHSA-33c5-9fx5-fvjm","summary":"Privilege Escalation in Kubernetes","details":"The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.7 are 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","GO-2024-2748"],"modified":"2026-07-17T21:13:32.301292737Z","published":"2024-04-24T20:01:22Z","database_specific":{"cwe_ids":["CWE-601"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2024-04-24T20:01:22Z","nvd_published_at":"2020-07-22T14:15:00Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8559"},{"type":"WEB","url":"https://github.com/kubernetes/kubernetes/issues/92914"},{"type":"WEB","url":"https://github.com/kubernetes/kubernetes/pull/92941"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1851422"},{"type":"PACKAGE","url":"https://github.com/kubernetes/kubernetes"},{"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"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-33c5-9fx5-fvjm/GHSA-33c5-9fx5-fvjm.json"}},{"package":{"name":"k8s.io/apimachinery","ecosystem":"Go","purl":"pkg:golang/k8s.io/apimachinery"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.17.0"},{"fixed":"0.17.9"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-33c5-9fx5-fvjm/GHSA-33c5-9fx5-fvjm.json"}},{"package":{"name":"k8s.io/apimachinery","ecosystem":"Go","purl":"pkg:golang/k8s.io/apimachinery"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.18.0"},{"fixed":"0.18.7"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-33c5-9fx5-fvjm/GHSA-33c5-9fx5-fvjm.json"}},{"package":{"name":"k8s.io/kubernetes","ecosystem":"Go","purl":"pkg:golang/k8s.io/kubernetes"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.16.13"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-33c5-9fx5-fvjm/GHSA-33c5-9fx5-fvjm.json"}},{"package":{"name":"k8s.io/kubernetes","ecosystem":"Go","purl":"pkg:golang/k8s.io/kubernetes"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.17.0"},{"fixed":"1.17.9"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-33c5-9fx5-fvjm/GHSA-33c5-9fx5-fvjm.json"}},{"package":{"name":"k8s.io/kubernetes","ecosystem":"Go","purl":"pkg:golang/k8s.io/kubernetes"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.18.0"},{"fixed":"1.18.7"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/04/GHSA-33c5-9fx5-fvjm/GHSA-33c5-9fx5-fvjm.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H"}]}