CVE Lookup - Vulnerability Scanner

Look up any CVE ID instantly. CVSS scores, CISA KEV status, EPSS exploitation probability in one click.

CVE Lookup gives security professionals, penetration testers, and SOC analysts instant access to vulnerability intelligence without leaving their browser. WHAT IT DOES: - Type or select any CVE ID to instantly see enriched vulnerability data - CVSS score with severity rating (v2, v3, v4 supported) - CISA Known Exploited Vulnerabilities (KEV) status - EPSS exploitation probability from FIRST.org - CWE weakness classifications - NVD references and advisories HOW TO USE: 1. Click the extension icon and type a CVE ID (e.g. CVE-2021-44228) 2. Or highlight any CVE ID on any webpage and right-click > "Look up CVE" 3. CVE IDs on web pages are automatically highlighted and clickable FREE TIER: - 10 lookups per day - All data sources included - No account required DATA SOURCES: - NIST National Vulnerability Database (NVD) 2.0 API - CISA Known Exploited Vulnerabilities Catalog - FIRST.org Exploit Prediction Scoring System (EPSS) No data collection or tracking. All queries go directly to official government APIs.