NTP before 4.2.8p9 does not properly perform the initial sync calculations, which allows remote attackers to unspecified impact via unknown vectors, related to a "root distance that did not include the peer dispersion."
CVSS Details
- CVSS 3.0 Base Score: 5.3
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade ntp-debuginfoUpgrade ntpUpgrade sntpUpgrade ntpdateUpgrade ntp-perlUpgrade ntp-doc | Apr 27, 2020 | Jan 13, 2017 |
| Amazon_linux | — | Upgrade ntp | Jan 5, 2017 | Jan 4, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jan 13, 2017 |
| Centos_linux | — | Upgrade ntp-docUpgrade ntpdateUpgrade ntpUpgrade ntp-perlUpgrade ntp-debuginfoUpgrade sntp | Feb 7, 2017 | Jan 13, 2017 |
| Cisco Apic | — | Upgrade to the latest version of Cisco APIC to resolve this vulnerability. | May 11, 2026 | Nov 23, 2016 |
| Cisco Ise | — | — | Oct 21, 2025 | Nov 23, 2016 |
| Debian | — | Upgrade ntp | Jul 30, 2024 | Jan 13, 2017 |
| Freebsd | — | Upgrade FreeBSDUpgrade ntpUpgrade ntp-devel | Dec 22, 2016 | Dec 22, 2016 |
| Hpux | — | Update NTP.NTP-RUN to the latest versionUpdate NTP.NTP-AUX to the latest version | Aug 11, 2017 | Jan 13, 2017 |
| Huawei Euleros 2_0_sp1 | — | Upgrade ntpdateUpgrade ntp | Nov 30, 2017 | Jan 13, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade ntpdateUpgrade ntp | Nov 30, 2017 | Jan 13, 2017 |
| Ntp | — | Upgrade to the latest version of NTP | Feb 23, 2023 | Jan 13, 2017 |
| Oracle Solaris | — | Upgrade service/network/ntp to version 4.2.8.9-0.175.3.17.0.1.0 on Solaris 11.3 | May 29, 2017 | Jan 13, 2017 |
| Oracle_linux | — | Upgrade sntpUpgrade ntp-perlUpgrade ntpdateUpgrade ntp-docUpgrade ntp | Feb 7, 2017 | Nov 21, 2016 |
| Redhat_linux | — | Upgrade sntpUpgrade ntpUpgrade ntp-debuginfoUpgrade ntp-docUpgrade ntp-perlUpgrade ntpdate | Feb 8, 2017 | Jan 13, 2017 |
| Suse | — | Upgrade ntpUpgrade ntp-doc | Dec 20, 2016 | Dec 19, 2016 |
| Ubuntu | — | Upgrade ntp | Jul 6, 2017 | Jan 13, 2017 |
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