Security
NVD
Abbreviation for National Vulnerability Database
In short and in plain language
The NVD is a public list of known security holes.
It tells what each hole is and how bad it is.
An agency of the United States runs it.
Site owners use it to sort holes that were found in their programs.
Definition
The NVD is a public database of known security vulnerabilities that collects severity ratings and descriptions for CVE entries, among other things. It is maintained by a US agency. Operators use it to assess reported vulnerabilities in their software.