CVE-2011-2560

HighCVSS 7.8/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 7.8/10AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness enumeration

CWE-399

Affected software

No affected versions have been published.

Timeline

Published: Aug 29, 2011
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2011

CVE-2011-25617.1The SIP process in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 7.x before 7.1(5b)su4 and 8.x before 8.0(1) does no CVE-2011-25627.8Unspecified vulnerability in Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x before 6.1(5)su2, 7.x before 7.1(5b)s CVE-2011-25637.8Unspecified vulnerability in the Service Advertisement Framework (SAF) in Cisco Unified Communications Manager (aka CUCM, formerly CallManag CVE-2011-25647.8Unspecified vulnerability in the Service Advertisement Framework (SAF) in Cisco Unified Communications Manager (aka CUCM, formerly CallManag CVE-2011-25696.8Cisco Nexus OS (aka NX-OS) 4.2 and 5.0 and Cisco Unified Computing System with software 1.4 and 2.0 do not properly restrict command-line op CVE-2011-25777.8Unspecified vulnerability in Cisco TelePresence C Series Endpoints, E/EX Personal Video units, and MXP Series Codecs, when using software ve CVE-2011-25787.8Memory leak in Cisco IOS 15.1 and 15.2 allows remote attackers to cause a denial of service (memory consumption) via malformed SIP packets o CVE-2011-25815.0The ACL implementation in Cisco NX-OS 5.0(2) and 5.0(3) before 5.0(3)N2(1) on Nexus 5000 series switches, and NX-OS before 5.0(3)U1(2a) on N CVE-2011-25835.0Cisco Unified Contact Center Express (aka CCX) 8.0 and 8.5 allows remote attackers to cause a denial of service via network traffic, as demo CVE-2011-25847.5Cisco Show and Share 5(2), 5.2(1), and 5.2(2) before 5.2(2.1) allows remote attackers to access the (1) Encoders and Pull Configurations, (2 CVE-2011-25856.5Cisco Show and Share 5(2), 5.2(1), and 5.2(2) before 5.2(2.1) allows remote authenticated users to upload and execute arbitrary code by leve CVE-2011-25865.4The HTTP client in Cisco IOS 12.4 and 15.0 allows user-assisted remote attackers to cause a denial of service (device crash) via a malformed