CVE-2011-2560

high Cisco
CVSS v3 Base Score
7.8
AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS Score
0.4%
Exploitation probability in 30 days
Top 38% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
C
Published: August 29, 2011 (5371 days ago)
Last Modified: April 29, 2026
Vendor: Cisco
Source: NVD

Description

The Packet Capture Service in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x does not properly handle idle TCP connections, which allows remote attackers to cause a denial of service (memory consumption and restart) by making many connections, aka Bug ID CSCtf97162.

CWE

CWE-399

Affected Products

cisco unified communications manager

References

🔗 www.cisco.com 🔗 www.cisco.com