{"schema_version":"1.9.0","id":"GHSA-f5f7-6478-qm6p","published":"2021-11-01T17:32:28Z","modified":"2026-09-10T03:49:09.725664982Z","aliases":["CVE-2021-25741","GO-2022-0910"],"summary":"Files or Directories Accessible to External Parties in kubernetes","details":"A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.","affected":[{"package":{"name":"k8s.io/kubernetes","ecosystem":"Go","purl":"pkg:golang/k8s.io/kubernetes"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.19.15"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-f5f7-6478-qm6p/GHSA-f5f7-6478-qm6p.json"}},{"package":{"name":"k8s.io/kubernetes","ecosystem":"Go","purl":"pkg:golang/k8s.io/kubernetes"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.20.0"},{"fixed":"1.20.11"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-f5f7-6478-qm6p/GHSA-f5f7-6478-qm6p.json"}},{"package":{"name":"k8s.io/kubernetes","ecosystem":"Go","purl":"pkg:golang/k8s.io/kubernetes"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.21.0"},{"fixed":"1.21.5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-f5f7-6478-qm6p/GHSA-f5f7-6478-qm6p.json"}},{"package":{"name":"k8s.io/kubernetes","ecosystem":"Go","purl":"pkg:golang/k8s.io/kubernetes"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.22.0"},{"fixed":"1.22.2"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-f5f7-6478-qm6p/GHSA-f5f7-6478-qm6p.json"}}],"references":[{"type":"WEB","url":"https://github.com/bottlerocket-os/bottlerocket/security/advisories/GHSA-f5f7-6478-qm6p"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25741"},{"type":"WEB","url":"https://github.com/kubernetes/kubernetes/issues/104980"},{"type":"PACKAGE","url":"https://github.com/kubernetes/kubernetes"},{"type":"WEB","url":"https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7s"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20211008-0006"}],"database_specific":{"cwe_ids":["CWE-20","CWE-552"],"github_reviewed":true,"github_reviewed_at":"2021-11-01T17:26:17Z","nvd_published_at":"2021-09-20T17:15:00Z","severity":"HIGH"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}]}