{"id":"CVE-2016-7429","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-7429","generatedAt":"2026-10-28T19:02:51.934Z","title":"NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface…","description":"NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.","published":"2017-01-13T16:59:00.000Z","lastModified":"2026-06-17T00:53:03.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":3.7,"severity":"LOW","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"},"cwe":["CWE-18"],"affected":["ntp/ntp"],"epss":{"score":0.07362,"percentile":0.94378,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.09533,"percentile":0.95292},{"date":"2026-09-22","score":0.07422,"percentile":0.94168}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (7.36%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://nwtime.org/ntp428p9_release/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0252.html","source":"cve@mitre.org"},{"url":"http://support.ntp.org/bin/view/Main/NtpBug3072","tags":["Issue Tracking","Mitigation","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/94453","source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1037354","source":"cve@mitre.org"},{"url":"https://bto.bluecoat.com/security-advisory/sa139","source":"cve@mitre.org"},{"url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us","source":"cve@mitre.org"},{"url":"https://www.kb.cert.org/vuls/id/633847","tags":["Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"http://nwtime.org/ntp428p9_release/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2017-0252.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.ntp.org/bin/view/Main/NtpBug3072","tags":["Issue Tracking","Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/94453","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1037354","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bto.bluecoat.com/security-advisory/sa139","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/633847","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-7429","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}