Show plain JSON{"id": "CVE-2020-7451", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2020-04-28T20:15:12.797", "references": [{"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:04.tcp.asc", "tags": ["Patch", "Vendor Advisory"], "source": "secteam@freebsd.org"}, {"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:04.tcp.asc", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-908"}]}], "descriptions": [{"lang": "en", "value": "In FreeBSD 12.1-STABLE before r358739, 12.1-RELEASE before 12.1-RELEASE-p3, 11.3-STABLE before r358740, and 11.3-RELEASE before 11.3-RELEASE-p7, a TCP SYN-ACK or challenge TCP-ACK segment over IPv6 that is transmitted or retransmitted does not properly initialize the Traffic Class field disclosing one byte of kernel memory over the network."}, {"lang": "es", "value": "En FreeBSD versiones 12.1-2.1-STABLE anteriores a r358739, versiones 12.1-RELEASE anteriores a 12.1-RELEASE-p3, versiones 11.3-STABLE anteriores a r358740, y versiones 11.3-RELEASE anteriores a 11.3-RELEASE-p7, un segmento de TCP SYN-ACK o de desaf\u00edo TCP-ACK sobre IPv6 que es transmitido o retransmitido no inicializa apropiadamente el campo Traffic Class que revela un byte de memoria del kernel por medio de la red."}], "lastModified": "2024-11-21T05:37:10.280", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F35957CE-AF9F-40CA-BDD1-FA6A0E73783F"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA929713-B797-494A-853D-C121D9D69519"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3C3D8EDC-91D3-45B2-AC1D-EF4346D4A714"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EA5006FF-06A5-4D95-BF5B-29F26248D11F"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A705031B-FD63-4076-B92E-E826E11D7111"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "11C1EFB1-68E5-45F4-A7E1-744574F290D1"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "25F649A7-9265-4552-8934-BCE083363982"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD730B6A-F123-4685-ACB3-4F20AAAB77F3"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "508150E3-2C0C-4EEB-BFC9-BB5CEB404C06"}, {"criteria": "cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B5D692EF-A5D7-430E-91BA-4CD137343B66"}], "operator": "OR"}]}], "sourceIdentifier": "secteam@freebsd.org"} 