VULNERABILITY INTELLIGENCE

CVE-2011-3273

CVSS score7.8 HIGH
EPSS probability1.77%
CISA KEVNot currently listed
Published2011-10-03
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C

Description

Memory leak in Cisco IOS 15.0 through 15.1, when IPS or Zone-Based Firewall (aka ZBFW) is configured, allows remote attackers to cause a denial of service (memory consumption or device crash) via vectors that trigger many session creation flows, aka Bug ID CSCti79848.

Primary references