Strix
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CVE-2011-2560

UnknownEPSS 1.81%

Last modified

CVE-2011-2560 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.81% chance of exploitation in the next 30 days.

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

EPSS Probability
1.81%

75.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoUnified Communications Manager4.1\(3\)
CiscoUnified Communications Manager4.1\(3\)sr1
CiscoUnified Communications Manager4.1\(3\)sr2
CiscoUnified Communications Manager4.1\(3\)sr3
CiscoUnified Communications Manager4.1\(3\)sr4
CiscoUnified Communications Manager4.2
CiscoUnified Communications Manager4.2.1
CiscoUnified Communications Manager4.2.2
CiscoUnified Communications Manager4.2.3
CiscoUnified Communications Manager4.2.3sr1
CiscoUnified Communications Manager4.2.3sr2
CiscoUnified Communications Manager4.2.3sr2b
CiscoUnified Communications Manager4.3
CiscoUnified Communications Manager4.3\(1\)

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2011-2560?
Severity scoring for CVE-2011-2560 is pending analysis. The EPSS model estimates a 1.81% probability of exploitation in the next 30 days.
How do I fix CVE-2011-2560?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-2560?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST