CVE-2015-3963

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and other devices, does not properly generate TCP initial sequence number (ISN) values, which makes it easier for remote attackers to spoof TCP sessions by predicting an ISN value."}, {"lang": "es", "value": "Vulnerabilidad en Wind River VxWorks en versiones anteriores a 5.5.1, 6.5.x hasta la versi\u00f3n 6.7.x en versiones anteriores a 6.7.1.1, 6.8.x hasta la versi\u00f3n 6.8.3, 6.9.x en versiones anteriores a 6.9.4.4 y 7.x en versiones anteriores a 7 ipnet_coreip 1.2.2.0, tal como se utiliza en dispositivos Schneider Electric SAGE RTU en versiones anteriores a J2 y otros dispositivos, no genera correctamente valores del n\u00famero inicial de secuencia (ISN) de TCP, lo que hace que sea m\u00e1s f\u00e1cil para los atacantes remotos falsificar las sesiones TCP al predecir un valor ISN."}], "id": "CVE-2015-3963", "lastModified": "2026-06-17T00:26:33.060", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2015-08-04T01:59:07.357", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Patch", "Third Party Advisory"], "url": "http://www.schneider-electric.com/ww/en/download/document/SEVD-2015-162-01"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/75302"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1032730"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party 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"http://www.securitytracker.com/id/1032730"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1033181"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-15-169-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-15-169-01A"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20160324-0001/"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-330"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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