CVE-2007-5591 json
The CS1000 signaling server in Nortel Enterprise VoIP-Core-CS 1000M Chassis/Cabinet, Enterprise VoIP-Core-CS 1000E and 1000S, Meridian-Core…
published 2007-10-19 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-5566
- cvss
- 7.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
2.29% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
References
-
secunia.com
/advisories/27282
third-party-advisory, vendor-advisory
-
vupen.com
/english/advisories/2007/3536
vdb-entry, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/37252
vdb-entry
-
osvdb.org
/41799
vdb-entry
- csnc.ch /static/advisory/csnc/nortel_telephony_server_denial_of_service_v1.0.txt
- www116.nortel.com /pub/repository/CLARIFY/DOCUMENT/2007/42/022871-01.pdf
-
securityfocus.com
/bid/26113
vdb-entry
- support.nortel.com /go/main.jsp?cscat=BLTNDETAIL&id=655204
-
securityfocus.com
/archive/1/482484/100/0/threaded
mailing-list
Sources
- CVE List CVE-2007-5591
- NVD CVE-2007-5591
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