CVE-2011-4019

high

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.

References

http://www.cisco.com/web/software/282074295/90289/cucm-readme-715bsu5.pdf

http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151TCAVS.html

Details

Source: Mitre, NVD

Published: 2012-05-03

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00427