CVE-2011-2072

Published: Oct 3, 2011Modified: Apr 29, 2026

7.8

Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability: 10.0 / Impact: 6.9

Source: NVD

Description

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, Cisco IOS XE 2.5.x through 3.2.x, and Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su4, 8.x before 8.5(1)su2, and 8.6 before 8.6(1) allows remote attackers to cause a denial of service (memory consumption and device reload or process failure) via a malformed SIP message, aka Bug IDs CSCtl86047 and CSCto88686.

Affected (74)

Products: Cisco: Ios, Ios Xe, Unified Communications Manager

Cisco

3 products

Ios

Ios Xe

Unified Communications Manager

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Cisco Ios	Version 12.4
Cisco Ios	Version 15.0
Cisco Ios	Version 15.1

Configuration B

14 vulnerable

Vulnerable Software	Affected Versions
Cisco Ios Xe	Version 2.5.0
Cisco Ios Xe	Version 2.5.1
Cisco Ios Xe	Version 2.5.2
Cisco Ios Xe	Version 2.6.0
Cisco Ios Xe	Version 2.6.1
Cisco Ios Xe	Version 2.6.2
Cisco Ios Xe	Version 3.1.0s
Cisco Ios Xe	Version 3.1.1s
Cisco Ios Xe	Version 3.1.2s
Cisco Ios Xe	Version 3.1.3s
Cisco Ios Xe	Version 3.1.4s
Cisco Ios Xe	Version 3.2.0s
Cisco Ios Xe	Version 3.2.1s
Cisco Ios Xe	Version 3.2.2s

Configuration C

57 vulnerable

Vulnerable Software	Affected Versions
Cisco Unified Communications Manager	Version 6.0
Cisco Unified Communications Manager	Version 6.1(1)
Cisco Unified Communications Manager	Version 6.1(1a)
Cisco Unified Communications Manager	Version 6.1(1b)
Cisco Unified Communications Manager	Version 6.1(2)
Cisco Unified Communications Manager	Version 6.1(2)su1
Cisco Unified Communications Manager	Version 6.1(2)su1a
Cisco Unified Communications Manager	Version 6.1(3)
Cisco Unified Communications Manager	Version 6.1(3a)
Cisco Unified Communications Manager	Version 6.1(3b)
Cisco Unified Communications Manager	Version 6.1(3b)su1
Cisco Unified Communications Manager	Version 6.1(4)
Cisco Unified Communications Manager	Version 6.1(4)su1
Cisco Unified Communications Manager	Version 6.1(4a)
Cisco Unified Communications Manager	Version 6.1(4a)su2
Cisco Unified Communications Manager	Version 6.1(5)
Cisco Unified Communications Manager	Version 6.1(5)su1
Cisco Unified Communications Manager	Version 6.1(5)su2
Cisco Unified Communications Manager	Version 7.0(1)su1
Cisco Unified Communications Manager	Version 7.0(1)su1a
Cisco Unified Communications Manager	Version 7.0(2)
Cisco Unified Communications Manager	Version 7.0(2a)
Cisco Unified Communications Manager	Version 7.0(2a)su1
Cisco Unified Communications Manager	Version 7.0(2a)su2
Cisco Unified Communications Manager	Version 7.1(2a)
Cisco Unified Communications Manager	Version 7.1(2a)su1
Cisco Unified Communications Manager	Version 7.1(2b)
Cisco Unified Communications Manager	Version 7.1(2b)su1
Cisco Unified Communications Manager	Version 7.1(3)
Cisco Unified Communications Manager	Version 7.1(3a)
Cisco Unified Communications Manager	Version 7.1(3a)su1
Cisco Unified Communications Manager	Version 7.1(3a)su1a
Cisco Unified Communications Manager	Version 7.1(3b)
Cisco Unified Communications Manager	Version 7.1(3b)su1
Cisco Unified Communications Manager	Version 7.1(3b)su2
Cisco Unified Communications Manager	Version 7.1(5)
Cisco Unified Communications Manager	Version 7.1(5)su1
Cisco Unified Communications Manager	Version 7.1(5)su1a
Cisco Unified Communications Manager	Version 7.1(5a)
Cisco Unified Communications Manager	Version 7.1(5b)
Cisco Unified Communications Manager	Version 7.1(5b)su1
Cisco Unified Communications Manager	Version 7.1(5b)su1a
Cisco Unified Communications Manager	Version 7.1(5b)su2
Cisco Unified Communications Manager	Version 7.1(5b)su3
Cisco Unified Communications Manager	Version 8.0(1)
Cisco Unified Communications Manager	Version 8.0(2)
Cisco Unified Communications Manager	Version 8.0(2a)
Cisco Unified Communications Manager	Version 8.0(2b)
Cisco Unified Communications Manager	Version 8.0(2c)
Cisco Unified Communications Manager	Version 8.0(2c)su1
Cisco Unified Communications Manager	Version 8.0(3)
Cisco Unified Communications Manager	Version 8.0(3a)
Cisco Unified Communications Manager	Version 8.0(3a)su1
Cisco Unified Communications Manager	Version 8.0(3a)su2
Cisco Unified Communications Manager	Version 8.5(1)
Cisco Unified Communications Manager	Version 8.5(1)su1
Cisco Unified Communications Manager	Version 8.6