Back to Database
Status published
High
CVE-2011-2560
The Packet Capture Service in Cisco Unified Communications Manager (aka...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2011-2560
Credits & Attribution
No credits recorded in the NVD database.
More from cisco
View All →CVE-2025-27091
OpenH264 Decoding Functions Heap Overflow Vulnerability
High
8.6
CVE-2023-25653
Improper calculations in ECC implementation can trigger a Denial-of-Service (DoS)
High
7.5
CVE-2021-33478
The TrustZone implementation in certain Broadcom MediaxChange firmware could allow...
Medium
6.8
CVE-2020-16139
A denial-of-service in Cisco Unified IP Conference Station 7937G 1-4-4-0...
High
7.5
CVE-2020-16138
A denial-of-service issue in Cisco Unified IP Conference Station 7937G...
High
7.5
Affected Vendor
cisco
View all reports →Affected Software
unified communications manager
Vulnerable Versions:
4.1\(3\), 4.1\(3\)sr1, 4.1\(3\)sr2, 4.1\(3\)sr3, 4.1\(3\)sr4, 4.2, 4.2.1, 4.2.2, 4.2.3, 4.2.3sr1, 4.2.3sr2, 4.2.3sr2b, 4.3, 4.3\(1\)
Timeline
Official Publish:
August 29th, 2011
Last Modified:
September 17th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.