{"id":"CVE-2007-5591","aliases":["EUVD-2007-5566","GHSA-pwh2-rcv8-v6g8"],"status":"published","title":"The CS1000 signaling server in Nortel Enterprise VoIP-Core-CS 1000M Chassis/Cabinet, Enterprise...","description":"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.","severity":{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02292,"percentile":0.83344,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-10-19T23:00:00Z","modified":"2026-06-16T22:46:27Z","products":[{"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"}],"references":[{"url":"http://secunia.com/advisories/27282","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.vupen.com/english/advisories/2007/3536","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/37252","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://osvdb.org/41799","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.csnc.ch/static/advisory/csnc/nortel_telephony_server_denial_of_service_v1.0.txt","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2007/42/022871-01.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/bid/26113","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL\u0026id=655204","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/482484/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-5591"},{"url":"https://github.com/advisories/GHSA-pwh2-rcv8-v6g8"}],"sources":{"cve":[{"id":"CVE-2007-5591","description":"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.","status":"published","published":"2007-10-19T23:00:00Z","modified":"2024-08-07T15:39:13.523Z","updated_at":"2026-11-02T13:32:00.617893Z"}],"euvd":[{"id":"EUVD-2007-5566","description":"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.","status":"published","published":"2007-10-19T23:00:00Z","modified":"2024-08-07T15:39:13Z","updated_at":"2026-11-03T01:16:16.701576Z"}],"ghsa":[{"id":"GHSA-pwh2-rcv8-v6g8","title":"The CS1000 signaling server in Nortel Enterprise VoIP-Core-CS 1000M Chassis/Cabinet, Enterprise...","description":"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.","status":"published","published":"2022-05-01T18:34:54Z","modified":"2023-01-31T05:05:23Z","updated_at":"2026-11-02T14:48:50.52088Z"}],"nvd":[{"id":"CVE-2007-5591","description":"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.","status":"published","published":"2007-10-19T23:17:00Z","modified":"2026-06-16T22:46:27.427Z","cvss":[{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:22.203764Z"}]}}