CVE-2007-5591

high

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/37252

http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2007/42/022871-01.pdf

http://www.vupen.com/english/advisories/2007/3536

http://www.securityfocus.com/bid/26113

http://www.securityfocus.com/archive/1/482484/100/0/threaded

http://www.csnc.ch/static/advisory/csnc/nortel_telephony_server_denial_of_service_v1.0.txt

http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=655204

http://secunia.com/advisories/27282

http://osvdb.org/41799

Details

Source: Mitre, NVD

Published: 2007-10-19

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.023