VULNERABILITY INTELLIGENCE

CVE-2011-3280

CVSS score7.5 HIGH
EPSS probability1.80%
CISA KEVNot currently listed
Published2011-10-03
Last modified2026-06-16
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

Memory leak in the NAT implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1, and IOS XE 3.1.xSG, allows remote attackers to cause a denial of service (memory consumption or device reload) by sending crafted SIP packets to UDP port 5060, aka Bug ID CSCtj04672.

Primary references