{"cve":"CVE-2015-7704","nvd":{"published":"2017-08-07T20:29:00.683","modified":"2026-06-17T00:32:59.947","status":"Modified","description":"The ntpd client in NTP 4.x before 4.2.8p4 and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service via a number of crafted \"KOD\" messages.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-20"],"references":["http://bugs.ntp.org/show_bug.cgi?id=2901","http://rhn.redhat.com/errata/RHSA-2015-1930.html","http://rhn.redhat.com/errata/RHSA-2015-2520.html","http://support.ntp.org/bin/view/Main/NtpBug2901","http://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_4_2_8p4_Securit"],"products":["citrix:xenserver","debian:debian_linux","mcafee:enterprise_security_manager","netapp:clustered_data_ontap","netapp:data_ontap","netapp:oncommand_performance_manager","netapp:oncommand_unified_manager","ntp:ntp","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_server_tus","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T20:44:47.710380879+00:00"},"epss":{"cve":"CVE-2015-7704","score":0.10661,"percentile":0.95804,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}