VULNERABILITY INTELLIGENCE
CVE-2011-4019
CVSS score5.4 MEDIUM
EPSS probability1.11%
CISA KEVNot currently listed
Published2012-05-03
Last modified2026-06-16
CVSS vectorAV:N/AC:H/Au:N/C:N/I:N/A:C
Description
Memory leak in Cisco IOS 12.4 and 15.0 through 15.2, and Cisco Unified Communications Manager (CUCM) 7.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted response to a SIP SUBSCRIBE message, aka Bug IDs CSCto93837 and CSCtj61883.