Vulnerability Database

289,599

Total vulnerabilities in the database

CVE-2016-4955

ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service (peer-variable clearing and association outage) by sending (1) a spoofed crypto-NAK packet or (2) a packet with an incorrect MAC value at a certain time.

  • Published: Jul 5, 2016
  • Updated: Apr 13, 2023
  • CVE: CVE-2016-4955
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.9
  • AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 4.3
  • AV:N/AC:M/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
ntp / ntp 4.2.8-p5 4.2.8-p5.x
ntp / ntp 4.2.8-p2 4.2.8-p2.x
ntp / ntp 4.2.8-p3 4.2.8-p3.x
ntp / ntp 4.2.8-p4 4.2.8-p4.x
ntp / ntp 4.2.8-p7 4.2.8-p7.x
ntp / ntp 4.2.8-p6 4.2.8-p6.x
ntp / ntp 4.2.8-p1 4.2.8-p1.x
ntp / ntp 4.2.8-p3-rc3 4.2.8-p3-rc3.x
ntp / ntp 4.2.8-p3-rc2 4.2.8-p3-rc2.x
ntp / ntp 4.2.8-p3-rc1 4.2.8-p3-rc1.x
ntp / ntp 4.2.8-p2-rc3 4.2.8-p2-rc3.x
ntp / ntp 4.2.8-p2-rc2 4.2.8-p2-rc2.x
ntp / ntp 4.2.8-p2-rc1 4.2.8-p2-rc1.x
ntp / ntp 4.2.8-p1-rc2 4.2.8-p1-rc2.x
ntp / ntp 4.2.8-p1-rc1 4.2.8-p1-rc1.x
ntp / ntp 4.2.8-p1-beta5 4.2.8-p1-beta5.x
ntp / ntp 4.2.8-p1-beta4 4.2.8-p1-beta4.x
ntp / ntp 4.2.8-p1-beta3 4.2.8-p1-beta3.x
ntp / ntp 4.2.8-p1-beta2 4.2.8-p1-beta2.x
ntp / ntp 4.2.8-p1-beta1 4.2.8-p1-beta1.x
ntp / ntp 4.2.8 4.2.8.x
ntp / ntp 4.2.0 4.2.8
ntp / ntp 4.3.0 4.3.93
oracle / solaris 11.3 11.3.x
oracle / solaris 10 10.x
novell / suse_manager 2.1 2.1.x
suse / linux_enterprise_server 11-sp4 11-sp4.x
suse / openstack_cloud 5 5.x
suse / manager_proxy 2.1 2.1.x
suse / linux_enterprise_server 11-sp3 11-sp3.x
suse / linux_enterprise_server 12-sp1 12-sp1.x
suse / linux_enterprise_server 11-sp2 11-sp2.x
suse / linux_enterprise_desktop 12-sp1 12-sp1.x
opensuse / leap 42.1 42.1.x
opensuse / opensuse 13.2 13.2.x
siemens / simatic_net_cp_443-1_opc_ua_firmware - -