This looks like a CVSS 3.x vector (CVSS: Common Vulnerability Scoring System): CVSS: 3.1 / AV: N /AC: L /PR: N /UI: N /S: U /C: H /I: H /A: H Version Attack vector Network Attack complexity Low Privileges required None User interaction None Scope Unchanged Confidentiality impact High Integrity impact High Availability impact High Links Wikipedia: Common Vulnerability Scoring System — en.wikipedia.org CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H in FIRST's CVSS calculator — first.org Sources Common Vulnerability Scoring System v3.1: Specification Document — first.org Common Vulnerability Scoring System v3.0: Specification Document — first.org Common Vulnerability Scoring System v3.1: Examples — first.org