Common Weakness Enumeration
CWE Definition / CWE-509
CWE-509: Replicating Malicious Code (Virus or Worm)
Replicating malicious code, including viruses and worms, will attempt to attack other systems once it has successfully compromised the target system or the product.
Published:19 Jul 2006
Organization:MITRE
Modified:11 Dec 2025
Related Weakness
CWE-507: Trojan Horse
