This script is Copyright (C) 2006-2017 Tenable Network Security, Inc.
It is possible to determine a COTP TSAP value on the remote ICCP
server by trying possible values.
The ICCP stack (and other protocols MMS and IEC 61850) includes ISO
7073 (RFC 905) at the Transport Layer. ISO 7073 specifies the
Connection Oriented Transport Protocol (COTP) that includes a pair of
user configurable 16-bit numeric, or in some cases ASCII string
values, to identify client endpoints called Transport Service Access
The TSAP used in the host server was guessed by trying a sample of
possible values that are commonly used and easily attempted by
Upgrade to Secure ICCP, select pseudorandom 16-bit value or restrict
the port to authorized hosts.
Risk factor :
Medium / CVSS Base Score : 5.0
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