VULNERABILITY INTELLIGENCE
CVE-2012-3950
CVSS score7.1 HIGH
EPSS probability1.55%
CISA KEVNot currently listed
Published2012-09-27
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:N/A:C
Description
The Intrusion Prevention System (IPS) feature in Cisco IOS 12.3 through 12.4 and 15.0 through 15.2, in certain configurations of enabled categories and missing signatures, allows remote attackers to cause a denial of service (device reload) via DNS packets, aka Bug ID CSCtw55976.