Final answer:
A characteristic of a computer worm is that it exploits vulnerabilities with the intent of propagating itself across a network.
Step-by-step explanation:
A characteristic of a computer worm is that it exploits vulnerabilities with the intent of propagating itself across a network. Computer worms are a type of malicious software that spreads independently, unlike viruses which require a host program to attach to. Worms can exploit vulnerabilities in computer systems and use various methods to propagate, such as using email attachments or network connections.