CVSS::v2(3pm)

NAME
CVSS::v2 - Parse and calculate CVSS v2.0 scores

SYNOPSIS
    use CVSS::v2;
    my $cvss = CVSS::v2->from_vector_string('AV:N/AC:L/Au:N/C:N/I:N/A:C');

    say $cvss->AV; # N
    say $cvss->accessVector; # NETWORK

DESCRIPTION
The Common Vulnerability Scoring System (CVSS) provides an open framework for communicating the characteristics and impacts of IT vulnerabilities. CVSS consists of 3 groups: Base, Temporal and Environmental. Each group produces a numeric score ranging from 0 to 10, and a Vector, a compressed textual representation that reflects the values used to derive the score. The Base group represents the intrinsic qualities of a vulnerability. The Temporal group reflects the characteristics of a vulnerability that change over time. The Environmental group represents the characteristics of a vulnerability that are unique to any user's environment. CVSS enables IT managers, vulnerability bulletin providers, security vendors, application vendors and researchers to all benefit by adopting this common language of scoring IT vulnerabilities.

<https://www.first.org/cvss/v2/guide>

  METHODS
CVSS::v2 inherits all methods from CVSS::Base and implements the following new ones.

$cvss-weight ( $metric )
    Return the weight of provided metric.

$cvss->W ( $metric )
    Alias of "weight".

BASE METRICS

$cvss->AV | $cvss->accessVector
$cvss->AC | $cvss->accessComplexity
$cvss->Au | $cvss->authentication
$cvss->C | $cvss->confidentialityImpact
$cvss->I | $cvss->integrityImpact
$cvss->A | $cvss->availabilityImpact

TEMPORAL METRICS

$cvss->E | $cvss->exploitability
$cvss->RL | $cvss->remediationLevel
$cvss->RC | $cvss->reportConfidence

ENVIRONMENTAL METRICS

$cvss->CDP | $cvss->collateralDamagePotential
$cvss->TD | $cvss->targetDistribution
$cvss->CR | $cvss->confidentialityRequirement
$cvss->IR | $cvss->integrityRequirement
$cvss->AR | $cvss->availabilityRequirement

SEE ALSO
CVSS, CVSS::v3, CVSS::v4

[FIRST] CVSS Data Representations (<https://www.first.org/cvss/data-representations>)
[FIRST] CVSS v2.0 Complete Guide (<https://www.first.org/cvss/v2/guide>)

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) 2023-2026 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.