CVE-2010-3616: ISC Dhcp

Medium severity, CVSS 5.0. EPSS: 7.9% chance of exploitation in the next 30 days.

ISC DHCP server 4.2 before 4.2.0-P2, when configured to use failover partnerships, allows remote attackers to cause a denial of service (communications-interrupted state and DHCP client service loss) by connecting to a port that is only intended for a failover peer, as demonstrated by a Nagios check_tcp process check to TCP port 520.

Affected products

• ISC Dhcp: version 4.2.0 only

Published 2010-12-17. Last modified 2026-06-16.