5.0CVSSMEDIUM
Description
Nortel SIP Multimedia PC Client 4.x MCS5100 and MCS5200 does not limit the number of concurrent sessions, which allows attackers to cause a denial of service (resource consumption) via a large number of sessions.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Au:NAuthenticationNone
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:PAvailabilityPartial
Weaknesses
Affected Products
nortelcommercialCANetworking Infrastructureaka contivity, mobile voice client 2050, business communications manager
Exploitability
Official Patch Available
References
http://secunia.com/advisories/30854
secunia.com
http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=738961
support.nortel.com
http://www.securitytracker.com/id?1020371
securitytracker.com
and 3 more references View all →
Timeline
Published
Jul 11, 2008
Last Updated
Apr 23, 2026
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