VULNERABILITY INTELLIGENCE
CVE-2011-2393
CVSS score7.8 HIGH
EPSS probability1.91%
CISA KEVNot currently listed
Published2012-02-02
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C
Description
The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in FreeBSD, NetBSD, and possibly other BSD-based operating systems allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, a similar vulnerability to CVE-2010-4670.