CVE-2012-3062: Cisco IOS

Medium severity, CVSS 5.7. EPSS: 0.6% chance of exploitation in the next 30 days.

Cisco IOS before 15.1(1)SY, when Multicast Listener Discovery (MLD) snooping is enabled, allows remote attackers to cause a denial of service (CPU consumption or device crash) via MLD packets on a network that contains many IPv6 hosts, aka Bug ID CSCtr88193.

Affected products

• Cisco IOS: version 15.1 only

Published 2014-04-23. Last modified 2026-06-16.