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.
Severity
CVSS 3.0
5.3 medium
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
8.9% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)