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 | amazon-linux-ami-2-upgrade-ntpamazon-linux-ami-2-upgrade-ntp-debuginfoamazon-linux-ami-2-upgrade-ntp-docamazon-linux-ami-2-upgrade-ntp-perlamazon-linux-ami-2-upgrade-ntpdateamazon-linux-ami-2-upgrade-sntp | Apr 27, 2020 | Jan 13, 2017 | |
| Amazon_linux | — | amazon-linux-upgrade-ntp | Jan 5, 2017 | Jan 4, 2017 |
| Arch Linux | View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗ | arch-linux-upgrade-latest | Jul 11, 2025 | Jan 13, 2017 |
| Centos_linux | — | centos-upgrade-ntpcentos-upgrade-ntp-debuginfocentos-upgrade-ntp-doccentos-upgrade-ntp-perlcentos-upgrade-ntpdatecentos-upgrade-sntp | Feb 7, 2017 | Jan 13, 2017 |
| Cisco Apic | cisco-apic-update-latest | May 11, 2026 | Nov 23, 2016 | |
| Cisco Ise | cisco-ise-upgrade-latest | Oct 21, 2025 | Nov 23, 2016 | |
| Debian | debian-upgrade-ntp | Jul 30, 2024 | Jan 13, 2017 | |
| Freebsd | freebsd-upgrade-base-11_0-release-p6freebsd-upgrade-base-10_3-release-p15freebsd-upgrade-base-10_2-release-p28freebsd-upgrade-base-10_1-release-p45freebsd-upgrade-base-9_3-release-p53freebsd-upgrade-package-ntpfreebsd-upgrade-package-ntp-devel | Dec 22, 2016 | Dec 22, 2016 | |
| Hpux | — | hpux-update-ntp-ntp-auxhpux-update-ntp-ntp-run | Aug 11, 2017 | Jan 13, 2017 |
| Huawei Euleros 2_0_sp1 | huawei-euleros-2_0_sp1-upgrade-ntphuawei-euleros-2_0_sp1-upgrade-ntpdate | Nov 30, 2017 | Jan 13, 2017 | |
| Huawei Euleros 2_0_sp2 | huawei-euleros-2_0_sp2-upgrade-ntphuawei-euleros-2_0_sp2-upgrade-ntpdate | Nov 30, 2017 | Jan 13, 2017 | |
| Ntp | View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗View advisory ↗ | ntp-upgrade-latest | Feb 23, 2023 | Jan 13, 2017 |
| Oracle Solaris | oracle-solaris-11-3-upgrade-service-network-ntp-4-2-8-9-0-175-3-17-0-1-0 | May 29, 2017 | Jan 13, 2017 | |
| Oracle_linux | — | oracle-linux-upgrade-ntporacle-linux-upgrade-ntpdateoracle-linux-upgrade-ntp-docoracle-linux-upgrade-ntp-perloracle-linux-upgrade-sntp | Feb 7, 2017 | Nov 21, 2016 |
| Redhat_linux | — | redhat-upgrade-ntpredhat-upgrade-ntp-debuginforedhat-upgrade-ntp-docredhat-upgrade-ntp-perlredhat-upgrade-ntpdateredhat-upgrade-sntp | Feb 8, 2017 | Jan 13, 2017 |
| Suse | — | suse-upgrade-ntpsuse-upgrade-ntp-doc | Dec 20, 2016 | Dec 19, 2016 |
| Ubuntu | ubuntu-upgrade-ntp | Jul 6, 2017 | Jan 13, 2017 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub