VULNERABILITY INTELLIGENCE

CVE-2008-6564

CVSS score7.6 HIGH
EPSS probability2.24%
CISA KEVNot currently listed
Published2009-03-31
Last modified2026-06-16
CVSS vectorAV:N/AC:H/Au:N/C:C/I:C/A:C

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.

Primary references