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🛡 CVSS v3.1 Calculator

Score vulnerabilities using the official CVSS v3.1 methodology.

All processing happens locally in your browser. No data is sent to any server. GDPR/DORA compliant.

Base Score

Select all base metrics

Temporal Score

Environmental Score

Vector String

CVSS:3.1/AV:_/AC:_/PR:_/UI:_/S:_/C:_/I:_/A:_

Base Metrics (Required)

The base metric group represents the intrinsic characteristics of a vulnerability that are constant over time and across user environments.

Attack Vector (AV)

Attack Complexity (AC)

Privileges Required (PR)

User Interaction (UI)

Scope (S)

Confidentiality (C)

Integrity (I)

Availability (A)

Temporal Metrics (Optional) ▶

Environmental Metrics (Optional) ▶

Environmental metrics enable analysts to customize the CVSS score based on the importance of the affected asset to the organization.

Security Requirements

Confidentiality Requirement (CR)

Integrity Requirement (IR)

Availability Requirement (AR)

Modified Base Metrics

Override base metric values to reflect the specific environment. "Not Defined" uses the base metric value.

Modified Attack Vector (MAV)

Modified Attack Complexity (MAC)

Modified Privileges Required (MPR)

Modified User Interaction (MUI)

Modified Scope (MS)

Modified Confidentiality (MC)

Modified Integrity (MI)

Modified Availability (MA)

Example Vectors

Import Vector String

Paste a CVSS v3.1 vector string

CVSS v3.1 Severity Ratings

None

Score: 0.0

Low

Score: 0.1 - 3.9

Medium

Score: 4.0 - 6.9

High

Score: 7.0 - 8.9

Critical

Score: 9.0 - 10.0

JOHLEM