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.
2009-03-31T17:30:00.453
2025-04-09T00:30:58.490
Deferred
CVSSv2: 7.6 (HIGH)
AV:N/AC:H/Au:N/C:C/I:C/A:C
4.9
10.0
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | nortel | communication_server_1000 | * | Yes |
Hardware | nortel | unistim_protocol | * | Yes |