{ "containers": { "cna": { "affected": [ { "product": "Kubernetes", "vendor": "Kubernetes", "versions": [ { "lessThan": "*", "status": "affected", "version": "0", "versionType": "semver" } ] } ], "credits": [ { "lang": "en", "value": "Rob Scott" } ], "datePublic": "2021-07-14T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "A security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.1, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-441", "description": "CWE-441 Unintended Proxy or Intermediary", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "a6081bf6-c852-4425-ad4f-a67919267565", "shortName": "kubernetes", "dateUpdated": "2026-06-01T21:45:55.645Z" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://kubernetes.io/blog/2026/05/26/reconciling-unfixed-kubernetes-cves/" }, { "tags": [ "x_refsource_MISC" ], "url": "https://groups.google.com/g/kubernetes-security-announce/c/WYE9ptrhSLE" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/kubernetes/kubernetes/issues/103675" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://security.netapp.com/advisory/ntap-20211014-0001/" } ], "source": { "defect": [ "https://github.com/kubernetes/kubernetes/issues/103675" ], "discovery": "EXTERNAL" }, "title": "Holes in EndpointSlice Validation Enable Host Network Hijack", "x_generator": { "engine": "Vulnogram 0.0.9" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:11:27.960Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://groups.google.com/g/kubernetes-security-announce/c/WYE9ptrhSLE" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/kubernetes/kubernetes/issues/103675" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://security.netapp.com/advisory/ntap-20211014-0001/" } ] } ] }, "cveMetadata": { "assignerOrgId": "a6081bf6-c852-4425-ad4f-a67919267565", "assignerShortName": "kubernetes", "cveId": "CVE-2021-25740", "datePublished": "2021-09-20T17:05:18.065Z", "dateReserved": "2021-01-21T00:00:00.000Z", "dateUpdated": "2026-06-01T21:45:55.645Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.2" }