{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T02:57:02.067","vulnerabilities":[{"cve":{"id":"CVE-2021-25736","sourceIdentifier":"jordan@liggitt.net","published":"2023-10-30T03:15:07.653","lastModified":"2025-06-12T15:15:27.407","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"Kube-proxy\n on Windows can unintentionally forward traffic to local processes \nlistening on the same port (“spec.ports[*].port”) as a LoadBalancer \nService when the LoadBalancer controller\n does not set the “status.loadBalancer.ingress[].ip” field. Clusters \nwhere the LoadBalancer controller sets the \n“status.loadBalancer.ingress[].ip” field are unaffected."},{"lang":"es","value":"Kube-proxy en Windows puede reenviar tráfico involuntariamente a procesos locales que escuchan en el mismo puerto (“spec.ports[*].port”) que LoadBalancer Service cuando el controlador LoadBalancer no configura “status.loadBalancer.ingress[].ip”. Los clústeres donde el controlador LoadBalancer establece el campo \"status.loadBalancer.ingress[].ip\" no se ven afectados."}],"metrics":{"cvssMetricV31":[{"source":"jordan@liggitt.net","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N","baseScore":5.8,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":1.3,"impactScore":4.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N","baseScore":6.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":1.8,"impactScore":4.0}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-114"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*","versionStartIncluding":"1.18.0","versionEndExcluding":"1.18.18","matchCriteriaId":"8E811D79-831A-493A-A0C8-D06442D01ADD"},{"vulnerable":true,"criteria":"cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*","versionStartIncluding":"1.19.0","versionEndExcluding":"1.19.10","matchCriteriaId":"54F99BEF-703E-43C0-846C-AB9EECE134A9"},{"vulnerable":true,"criteria":"cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*","versionStartIncluding":"1.20.0","versionEndExcluding":"1.20.6","matchCriteriaId":"E26E82C1-754C-4E81-B7BC-FB4DACE33945"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*","matchCriteriaId":"A2572D17-1DE6-457B-99CC-64AFD54487EA"}]}]}],"references":[{"url":"https://github.com/kubernetes/kubernetes/pull/99958","source":"jordan@liggitt.net","tags":["Third Party Advisory"]},{"url":"https://groups.google.com/g/kubernetes-security-announce/c/lIoOPObO51Q/m/O15LOazPAgAJ","source":"jordan@liggitt.net","tags":["Mailing List","Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20231221-0003/","source":"jordan@liggitt.net"},{"url":"https://github.com/kubernetes/kubernetes/pull/99958","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"]},{"url":"https://groups.google.com/g/kubernetes-security-announce/c/lIoOPObO51Q/m/O15LOazPAgAJ","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20231221-0003/","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}