CVE-2011-2560

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2011-2560
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-08-29 15:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

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

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Cisco Unified Communications Manager 4.1\(3\) All All All
Application Cisco Unified Communications Manager 4.1\(3\)sr1 All All All
Application Cisco Unified Communications Manager 4.1\(3\)sr2 All All All
Application Cisco Unified Communications Manager 4.1\(3\)sr3 All All All
Application Cisco Unified Communications Manager 4.1\(3\)sr4 All All All
Application Cisco Unified Communications Manager 4.2 All All All
Application Cisco Unified Communications Manager 4.2.1 All All All
Application Cisco Unified Communications Manager 4.2.2 All All All
Application Cisco Unified Communications Manager 4.2.3 All All All
Application Cisco Unified Communications Manager 4.2.3sr1 All All All
Application Cisco Unified Communications Manager 4.2.3sr2 All All All
Application Cisco Unified Communications Manager 4.2.3sr2b All All All
Application Cisco Unified Communications Manager 4.3 All All All
Application Cisco Unified Communications Manager 4.3\(1\) All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Cisco Security Advisory: Cisco Unified Communications Manager Denial of Service Vulnerabilities - Cisco Systems af854a3a-2127-422b-91ae-364da2661108 www.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

© CVE.report 2026

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

Free CVE JSON API cve.report/api

CVE.report and Source URL Uptime Status status.cve.report