> A vulnerability exploitable with only local access requires the attacker to have either physical access to the vulnerable system or a local (shell) account. Examples of locally exploitable vulnerabilities are peripheral attacks such as Firewire/USB DMA attacks, and local privilege escalations (e.g., sudo).
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