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CVE Lookup

Search and analyze CVE vulnerabilities from National Vulnerability Database

Powered by NVD API 2.0: Free access to NIST National Vulnerability Database with latest CVE data.

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Frequently Asked Questions

What is CVE?

CVE (Common Vulnerabilities and Exposures) is a unique identifier for publicly known information-security vulnerabilities and exposures. Each CVE ID is unique and provides a reference to publicly disclosed vulnerability information.

What is CVSS score?

CVSS (Common Vulnerability Scoring System) is a standardized method for rating vulnerability severity on a scale of 0.0-10.0. Higher scores indicate more severe vulnerabilities. CVSS V3 is the current standard used by most security organizations.

Where does the data come from?

All CVE data comes from the National Vulnerability Database (NVD) maintained by NIST (National Institute of Standards and Technology). This is the official repository of U.S. vulnerability data and is regularly updated.

What do the severity levels mean?

Severity levels indicate the potential impact: CRITICAL (9.0-10.0) - immediate action required, HIGH (7.0-8.9) - urgent attention, MEDIUM (4.0-6.9) - plan fixes, LOW (0.1-3.9) - low priority, NONE (0.0) - no impact.

How do I use the CVSS vector?

The CVSS vector is a standardized notation that describes how the vulnerability can be exploited. It includes details about attack vector, attack complexity, privileges required, and user interaction needed.

Is this tool free?

Yes, completely free! Search unlimited CVEs with detailed information including CVSS scores, severity levels, weakness descriptions, and references. No registration or API key required.