{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2021-45488","sourceIdentifier":"cve@mitre.org","published":"2021-12-25T02:15:06.803","lastModified":"2026-06-17T04:13:29.583","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In NetBSD through 9.2, there is an information leak in the TCP ISN (ISS) generation algorithm."},{"lang":"es","value":"En NetBSD versiones hasta 9.2, se presenta un filtrado de información en el algoritmo de generación de TCP ISN (ISS)"}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:N/A:N","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-330"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:netbsd:netbsd:*:*:*:*:*:*:*:*","versionEndIncluding":"9.2","matchCriteriaId":"C0992771-F022-4195-A4DF-4323FF07B04F"}]}]}],"references":[{"url":"http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc","source":"cve@mitre.org","tags":["Patch","Vendor Advisory"]},{"url":"https://arxiv.org/pdf/2112.09604.pdf","source":"cve@mitre.org","tags":["Technical Description","Third Party Advisory"]},{"url":"http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2021-001.txt.asc","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]},{"url":"https://arxiv.org/pdf/2112.09604.pdf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Technical Description","Third Party Advisory"]}]}}