NTP before 4.2.8p7 and 4.3.x before 4.3.92, when mode7 is enabled, allows remote attackers to cause a denial of service (ntpd abort) by using the same IP address multiple times in an unconfig directive.
CVSS Details
- CVSS 3.0 Base Score: 5.3
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade ntp | Jul 1, 2017 | May 11, 2016 |
| Cisco Apic | — | Upgrade to the latest version of Cisco APIC to resolve this vulnerability. | May 11, 2026 | Apr 28, 2016 |
| Debian | — | Upgrade ntp | Jul 27, 2016 | May 11, 2016 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | May 25, 2016 |
| Freebsd | — | Upgrade ntpUpgrade FreeBSDUpgrade ntp-devel | Dec 10, 2025 | Apr 27, 2016 |
| Gentoo Linux | — | Upgrade net-misc/ntp. | Oct 30, 2017 | Jan 30, 2017 |
| Huawei Euleros 2_0_sp1 | — | Upgrade ntpdateUpgrade ntp | Nov 30, 2017 | Jan 30, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade ntpUpgrade ntpdate | Nov 30, 2017 | Jan 30, 2017 |
| Ntp | — | Upgrade to the latest version of NTP | Feb 23, 2023 | Jan 30, 2017 |
| Oracle Solaris | — | Upgrade service/network/ntp to version 4.2.8.8-0.175.3.12.0.1.0 on Solaris 11.3 | May 29, 2017 | Jan 30, 2017 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 26, 2016 |
| Suse | — | Upgrade ntp-docUpgrade ntp | May 11, 2016 | May 11, 2016 |
| Ubuntu | — | Upgrade ntp | Oct 7, 2016 | May 11, 2016 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jan 30, 2017 |
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