{"id":"CVE-2016-1549","details":"A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 and a5fb34b9cc89b92a8fef2f459004865c93bb7f92 and modify a victim's clock.","modified":"2026-04-16T06:16:08.423742320Z","published":"2017-01-06T21:59:00.383Z","related":["SUSE-SU-2016:1278-1","SUSE-SU-2016:1291-1","SUSE-SU-2016:1471-1","SUSE-SU-2016:1568-1","SUSE-SU-2018:0808-1","SUSE-SU-2018:0956-1","SUSE-SU-2018:1464-1","SUSE-SU-2018:1765-1","SUSE-SU-2018:1765-2","openSUSE-SU-2024:10181-1"],"references":[{"type":"WEB","url":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us"},{"type":"WEB","url":"https://www.synology.com/support/security/Synology_SA_18_13"},{"type":"WEB","url":"http://www.securityfocus.com/bid/88200"},{"type":"WEB","url":"http://www.securitytracker.com/id/1035705"},{"type":"WEB","url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20171004-0002/"},{"type":"ADVISORY","url":"http://www.talosintelligence.com/reports/TALOS-2016-0083/"},{"type":"ADVISORY","url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/201607-15"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-1549.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.2.8-p4"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"}]}