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Home News

CVSS v4.0 Advances Vulnerability Scoring

November 2, 2023
Reading Time: 10 mins read
in News

The Forum of Incident Response and Security Teams (FIRST) has introduced the next generation of its Common Vulnerability Scoring System standard, CVSS v4.0, following eight years of CVSS v3.0. CVSS serves as a framework for evaluating the severity of software security vulnerabilities, assigning numerical scores or qualitative representations based on factors like exploitability, impact on confidentiality, integrity, availability, and required privileges.

This system aids in prioritizing responses to security threats and ensures a consistent way to assess vulnerability impact and risks across various systems and software. CVSS v4.0 offers improvements, including finer granularity in base metrics, simplified threat metrics, and additional metrics like automatable, recovery, value density, vulnerability response effort, and provider urgency, making it adaptable to operational technology (OT), industrial control systems (ICS), and Internet of Things (IoT). The CVSS v4.0 standard has been welcomed as a significant advancement in the field of cybersecurity.

With this new version, CVSS v4.0 introduces a revised standard that aims to enhance its precision and clarity in assessing vulnerabilities. The new base metrics and values offer more granularity in evaluating vulnerabilities, while additional metrics provide a comprehensive assessment of vulnerability characteristics. Moreover, CVSS v4.0 now extends its applicability to operational technology, industrial control systems, and IoT, addressing the evolving landscape of cyber threats. This version has been hailed as a game-changer in the cybersecurity sector, offering security professionals and organizations a more effective tool for evaluating and prioritizing responses to vulnerabilities.

Chris Gibson, CEO of FIRST, expressed pride in the development of CVSS v4.0 and highlighted its significance in the face of increasing global cyber threats. This version is a testament to FIRST’s commitment to improving how the sector collaborates and defends against cyberattacks. FIRST’s continuous efforts to empower its members and the broader sector underscore its dedication to cybersecurity.

The introduction of CVSS v4.0 comes 18 years after the release of the initial CVSS version, reflecting the system’s continuous evolution to counter cybercriminal activities. In addition to CVSS v4.0, FIRST previously published the Traffic Light Protocol (TLP) standard, TLP 2.0, which is essential for sharing sensitive information in the computer security incident response team (CSIRT) community.

These advancements demonstrate FIRST’s commitment to enhancing cybersecurity standards and practices, ultimately strengthening the sector’s ability to defend against cyber threats and protect individuals and organizations worldwide.

References:
  • FIRST has officially published the latest version of the Common Vulnerability Scoring System (CVSS v4.0)
  • The CVSS Special Interest Group is proud to announce the official release of CVSS v4.0 – https://first.org/cvss/.
Tags: Cyber AttacksCyber NewsCyber News 2023CybersecurityincidentsNovember 2023Vulnerabilities
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