{"id":"CVE-2023-3893","aliases":["GHSA-r6cc-7wj7-gfx2","GO-2023-2176"],"url":"https://o3.security/vulnerability/CVE-2023-3893","summary":"Kubernetes - csi-proxy - Insufficient input sanitization leads to privilege escalation","details":"A security issue was discovered in Kubernetes where a user that can \ncreate pods on Windows nodes running kubernetes-csi-proxy may be able to\n escalate to admin privileges on those nodes. Kubernetes clusters are \nonly affected if they include Windows nodes running \nkubernetes-csi-proxy.","published":"2023-11-03T17:34:10.188Z","modified":"2026-08-12T03:51:41.207947962Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.02864,"percentile":0.85651,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/kubernetes-csi/csi-proxy/v2","fixedVersion":"2.0.0-alpha.1"},{"ecosystem":"Go","name":"github.com/kubernetes-csi/csi-proxy","fixedVersion":"1.1.3"},{"ecosystem":"Go","name":"github.com/kubernetes-csi/csi-proxy","fixedVersion":"0.0.0-20230821192013-2523e6674ded"},{"ecosystem":"Go","name":"github.com/kubernetes-csi/csi-proxy","fixedVersion":"1.1.3-0.20230821192013-2523e6674ded"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3893.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3893"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20231221-0004/"},{"type":"REPORT","url":"https://github.com/kubernetes/kubernetes/issues/119594"},{"type":"PACKAGE","url":"https://github.com/kubernetes-csi/csi-proxy"},{"type":"ARTICLE","url":"https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQ"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:41.207947962Z"}}