> The vulnerable system can be exploited without interaction from any user.
Quote from the CVSS specification
Vulnerabilities with this tag were given a CVSS rating as part of the
requirement to be included into the [National Vulnerability
Database](https://nvd.nist.gov/). You can learn more about what the individual
scores mean in the [CVSS specification
document](https://www.first.org/cvss/specification-document).