CVE-2016-4956

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CVSS 3.1

5.3 medium

EPSS

16%p97

Published

Jul 5, 2016 (Jul 5, 2016)

Modified

Jun 17, 2026

Description

ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (interleaved-mode transition and time change) via a spoofed broadcast packet. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-1548.

Vendors: ntp oracle suse novell opensuse siemens
Products: ntp, solaris, manager proxy, openstack cloud, suse manager, leap, opensuse, linux enterprise desktop, linux enterprise server, simatic net cp 443-1 opc ua firmware
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (16.4%)

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