CVE-2016-4953

{"id": "CVE-2016-4953", "cveTags": [], "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:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "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": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2016-07-05T01:59:00.143", "references": [{"url": "http://bugs.ntp.org/3045", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html", "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html", "tags": ["Mailing List", "Third Party Advisory"], 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"source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.kb.cert.org/vuls/id/321640", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-287"}]}], "descriptions": [{"lang": "en", "value": "ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (ephemeral-association demobilization) by sending a spoofed crypto-NAK packet with incorrect authentication data at a certain time."}, {"lang": "es", "value": "ntpd en NTP 4.x en versiones anteriores a 4.2.8p8 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (desmovilizaci\u00f3n de asociaci\u00f3n ef\u00edmera) mediante el env\u00edo de un paquete crypto-NAK falsificado con datos de autenticaci\u00f3n incorrectos en un momento determinado."}], "lastModified": "2025-04-12T10:46:40.837", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C240BAAB-8C12-4501-9DC6-FB877304E908", "versionEndExcluding": "4.2.8", "versionStartIncluding": "4.2.0"}, {"criteria": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "863751A2-A97F-47CD-8D57-6D60E6F3593D", "versionEndExcluding": "4.3.93", "versionStartIncluding": "4.3.0"}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EEA51D83-5841-4335-AF07-7A43C118CAAE"}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C855BBD2-2B38-4EFF-9DBE-CA61CCACD0DE"}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "49ADE0C3-F75C-4EC0-8805-56013F0EB92C"}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*", "vulnerable": 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