An arbitrary command injection vulnerability in the Cluster Server component of Veritas InfoScale allows an unauthenticated remote attacker to execute arbitrary commands as root or administrator. These Veritas products are affected: Access 7.4.2 and earlier, Access Appliance 7.4.2 and earlier, Flex Appliance 1.2 and earlier, InfoScale 7.3.1 and earlier, InfoScale between 7.4.0 and 7.4.1, Veritas Cluster Server (VCS) 6.2.1 and earlier on Linux/UNIX, Veritas Cluster Server (VCS) 6.1 and earlier on Windows, Storage Foundation HA (SFHA) 6.2.1 and earlier on Linux/UNIX, and Storage Foundation HA (SFHA) 6.1 and earlier on Windows.