7.8
CWE
399
Advisory Published
Updated

CVE-2011-2560

First published: Mon Aug 29 2011(Updated: )

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.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Unified Communications Manager=4.2.3sr2
Cisco Unified Communications Manager=4.1\(3\)sr1
Cisco Unified Communications Manager=4.2.3sr1
Cisco Unified Communications Manager=4.1\(3\)sr2
Cisco Unified Communications Manager=4.1\(3\)
Cisco Unified Communications Manager=4.2
Cisco Unified Communications Manager=4.3
Cisco Unified Communications Manager=4.2.3
Cisco Unified Communications Manager=4.1\(3\)sr4
Cisco Unified Communications Manager=4.2.1
Cisco Unified Communications Manager=4.2.2
Cisco Unified Communications Manager=4.3\(1\)
Cisco Unified Communications Manager=4.1\(3\)sr3
Cisco Unified Communications Manager=4.2.3sr2b

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Frequently Asked Questions

  • What is the severity of CVE-2011-2560?

    CVE-2011-2560 has a severity rating that indicates a significant impact due to potential denial of service.

  • How do I fix CVE-2011-2560?

    To fix CVE-2011-2560, it is recommended to upgrade Cisco Unified Communications Manager to a patched version that addresses this vulnerability.

  • What systems are affected by CVE-2011-2560?

    CVE-2011-2560 affects Cisco Unified Communications Manager versions 4.x, including specific sub-releases.

  • Can CVE-2011-2560 be exploited remotely?

    Yes, CVE-2011-2560 can be exploited remotely by attackers making numerous TCP connections to the affected system.

  • What type of attack is associated with CVE-2011-2560?

    The attack associated with CVE-2011-2560 is a denial of service that leads to memory consumption and system restarts.

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