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    CVE-2007-5591

    The CS1000 signaling server in Nortel Enterprise VoIP-Core-CS 1000M Chassis/Cabinet, Enterprise VoIP-Core-CS 1000E and 1000S, Meridian-Core-Option 11C Chassis and Cabinet, and Meridian-Core-Option 51C, 61C, and 81C allows remote attackers to cause a denial of service (telephony application outage) via a flood of packets to Embedded LAN (ELAN) ports.

    Published:Oct 19, 2007
    Last Modified:Apr 23, 2026
    EPS:Oct 19, 2007
    EPSS Score:0.02615
    CVSS Score:7.8

    Affected Products

    Vendor
    Nortel
    Product
    Communications Server
    Vendor
    Nortel
    Product
    Meridian Option 11c
    Vendor
    Nortel
    Product
    Meridian Option 51c
    Vendor
    Nortel
    Product
    Meridian Option 61c
    Vendor
    Nortel
    Product
    Meridian Option 81c
    Vendor
    Nortel
    Product
    Voip-core-cs

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    http://osvdb.org/41799
    http://secunia.com/advisories/27282
    http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=655204
    http://www.csnc.ch/static/advisory/csnc/nortel_telephony_server_denial_of_service_v1.0.txt
    http://www.securityfocus.com/archive/1/482484/100/0/threaded
    http://www.securityfocus.com/bid/26113
    http://www.vupen.com/english/advisories/2007/3536
    http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2007/42/022871-01.pdf
    https://exchange.xforce.ibmcloud.com/vulnerabilities/37252
    http://osvdb.org/41799
    http://secunia.com/advisories/27282
    http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=655204
    http://www.csnc.ch/static/advisory/csnc/nortel_telephony_server_denial_of_service_v1.0.txt
    http://www.securityfocus.com/archive/1/482484/100/0/threaded
    http://www.securityfocus.com/bid/26113
    http://www.vupen.com/english/advisories/2007/3536
    http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2007/42/022871-01.pdf
    https://exchange.xforce.ibmcloud.com/vulnerabilities/37252

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High