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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,…
High7.8EPSS 2.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (9)
- 27282 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2007-3536 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- nortel-cs1000-elan-dos(37252) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 41799 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://www.csnc.ch/static/advisory/csnc/nortel_telephony_server_denial_of_service_v1.0.txt (opens in a new tab)x_refsource_MISCx_transferred
- http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2007/42/022871-01.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
- 26113 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=655204 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20071018 Nortel Telephony Server Denial of Service (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .