Trend Micro InterScan VirusWall for Windows NT 3.52 does not record the sender's IP address in the headers for a mail message when it is passed from VirusWall to the MTA, which allows remote attackers to hide the origin of the message.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This vulnerability has a 2.06% probability of being exploited in the next 30 days, ranking higher than 81% of all scored CVEs.