NAME

       CVSS::v4 - Parse and calculate CVSS v4.0 scores

DESCRIPTION

   METHODS
       CVSS::v4 inherits all methods from CVSS::Base and implements the following new ones.

       $cvss->macro_vector
           Calculate the macro vector.

       $cvss->exploitability
           Return the Exploitability severity.

       $cvss->complexity
           Return the Complexity severity.

       $cvss->vulnerable_system
           Return the Vulnerable System severity.

       $cvss->subsequent_system
           Return the Subsequent System severity.

       $cvss->exploitation
           Return the Exploitation severity.

       $cvss->security_requirements
           Return the Security Requirements severity.

       BASE METRICS

       $cvss->AV | $cvss->attackVector
       $cvss->AC | $cvss->attackComplexity
       $cvss->AT | $cvss->attackRequirements
       $cvss->PR | $cvss->privilegesRequired
       $cvss->UI | $cvss->userInteraction
       $cvss->VC | $cvss->vulnConfidentialityImpact
       $cvss->VI | $cvss->vulnIntegrityImpact
       $cvss->VA | $cvss->vulnAvailabilityImpact
       $cvss->SC | $cvss->subConfidentialityImpact
       $cvss->SI | $cvss->subIntegrityImpact
       $cvss->SA | $cvss->subAvailabilityImpact

       THREAT METRICS

       $cvss->E | $cvss->exploitMaturity

       ENVIRONMENTAL METRICS

       $cvss->CR | $cvss->confidentialityRequirement
       $cvss->IR | $cvss->integrityRequirement
       $cvss->AR | $cvss->availabilityRequirement
       $cvss->MAV | $cvss->modifiedAttackVector
       $cvss->MAC | $cvss->modifiedAttackComplexity
       $cvss->MAT | $cvss->modifiedAttackRequirements
       $cvss->MPR | $cvss->modifiedPrivilegesRequired
       $cvss->MUI | $cvss->modifiedUserInteraction
       $cvss->MVC | $cvss->modifiedVulnConfidentialityImpact
       $cvss->MVI | $cvss->modifiedVulnIntegrityImpact
       $cvss->MVA | $cvss->modifiedVulnAvailabilityImpact
       $cvss->MSC | $cvss->modifiedSubConfidentialityImpact
       $cvss->MSI | $cvss->modifiedSubIntegrityImpact
       $cvss->MSA | $cvss->modifiedSubAvailabilityImpact

       SUPPLEMENTAL METRICS

       $cvss->S | $cvss->Safety
       $cvss->AU | $cvss->Automatable
       $cvss->R | $cvss->Recovery
       $cvss->V | $cvss->valueDensity
       $cvss->RE | $cvss->vulnerabilityResponseEffort
       $cvss->U | $cvss->providerUrgency

SEE ALSO

       CVSS, CVSS::v2, CVSS::v3

       [FIRST] CVSS Data Representations (<https://www.first.org/cvss/data-representations>)
       [FIRST] CVSS v4.0 Specification (<https://www.first.org/cvss/v4.0/specification-document>)

SUPPORT

   Bugs / Feature Requests
       Please     report    any    bugs    or    feature    requests    through    the    issue    tracker    at
       <https://github.com/giterlizzi/perl-CVSS/issues>.  You will be notified automatically of any progress  on
       your issue.

   Source Code
       This  is open source software.  The code repository is available for public review and contribution under
       the terms of the license.

       <https://github.com/giterlizzi/perl-CVSS>

           git clone https://github.com/giterlizzi/perl-CVSS.git

AUTHOR

       •   Giuseppe Di Terlizzi <gdt@cpan.org>

LICENSE AND COPYRIGHT

       This software is copyright (c) 2023-2025 by Giuseppe Di Terlizzi.

       This is free software; you can redistribute it and/or modify it under  the  same  terms  as  the  Perl  5
       programming language system itself.

perl v5.40.1                                       2025-07-08                                      CVSS::v4(3pm)