Vulnerability Details : CVE-2011-2560
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.
Vulnerability category: Denial of service
Products affected by CVE-2011-2560
- cpe:2.3:a:cisco:unified_communications_manager:4.2.3sr2:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.2.3sr2b:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.1\(3\)sr2:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.1\(3\)sr3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.3\(1\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.1\(3\):*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.1\(3\)sr1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.2.3sr1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.1\(3\)sr4:*:*:*:*:*:*:*
- cpe:2.3:a:cisco:unified_communications_manager:4.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-2560
0.71%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-2560
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST |
CWE ids for CVE-2011-2560
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2560
-
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b8f531.shtml
Cisco Unified Communications Manager Denial of Service Vulnerabilities - CiscoVendor Advisory
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