7.6
CVSSv2

CVE-2008-6564

Published: 31/03/2009 Updated: 17/08/2017
CVSS v2 Base Score: 7.6 | Impact Score: 10 | Exploitability Score: 4.9
VMScore: 676
Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C

Vulnerability Summary

Nortel UNIStim protocol, as used in Communication Server 1000 and other products, uses predictable sequence numbers, which allows remote malicious users to hijack sessions via sniffing or brute force attacks.

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nortel unistim_protocol

nortel communication_server_1000