CVE-2008-6564
7.6CVSSHIGH
Description
Nortel UNIStim protocol, as used in Communication Server 1000 and other products, uses predictable sequence numbers, which allows remote attackers to hijack sessions via sniffing or brute force attacks.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:HAccess ComplexityHigh
Au:NAuthenticationNone
Impact
C:CConfidentialityComplete
I:CIntegrityComplete
A:CAvailabilityComplete
Weaknesses
Affected Products
nortelcommercialCANetworking Infrastructureaka contivity, mobile voice client 2050, business communications manager
Exploitability
Official Patch Available
References
http://osvdb.org/44379
osvdb.org
http://secunia.com/advisories/29747
secunia.com
http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=713455
support.nortel.com
and 4 more references View all →
Timeline
Published
Mar 31, 2009
Last Updated
Apr 23, 2026
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