CVE-2011-2072

high Cisco
CVSS v3 Base Score
7.8
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS Score
0.7%
Exploitation probability in 30 days
Top 28% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
C
Published: October 3, 2011 (5336 days ago)
Last Modified: April 29, 2026
Vendor: Cisco
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.

CWE

CWE-399

Affected Products

cisco ioscisco ios xecisco unified communications manager

References

🔗 tools.cisco.com 🔗 tools.cisco.com 🔗 www.cisco.com 🔗 www.cisco.com 🔗 www.securitytracker.com