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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 2.0
- 7.8 HIGHAV:N/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 2.29% probability · 82th percentile
- CISA KEV
- Not listed
- Affected
- nortel/meridian option 11c · nortel/meridian option 51c · nortel/meridian option 61c · nortel/meridian option 81c · nortel/voip-core-cs
- Source
- cve@mitre.org
References
- http://osvdb.org/41799
- http://secunia.com/advisories/27282Vendor Advisory
- 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/2007/3536Vendor Advisory
- 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/27282Vendor Advisory
- 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/2007/3536Vendor Advisory
- http://www116.nortel.com/pub/repository/CLARIFY/DOCUMENT/2007/42/022871-01.pdf
- https://exchange.xforce.ibmcloud.com/vulnerabilities/37252
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.