source: http://www.securityfocus.com/bid/288/info Servers running PCAnywhere32 with TCP/IP networking are subject to a Denial of Service attack that will hang the server at 100% CPU utilization. A malicious user may initiate this DoS by connecting to tcp port 5631 on the PCAnywhere server input a large amount of data when prompted with "Please press <Enter>". Connect to tcp 5631. At the Please press <Enter> prompt, transfer a large amount of data to the PCAnywhere server. This will peg the CPU utilization at 100%.
Related ExploitsTrying to match CVEs (1): CVE-1999-1028
Trying to match OSVDBs (1): 4720
Other Possible E-DB Search Terms: Symantec PCAnywhere32 8.0, Symantec PCAnywhere