CVE Lookup
Search the NIST National Vulnerability Database (NVD) for any CVE. Get CVSS scores, severity, and references.
Examples:
Understanding CVSS scores
CVSS (Common Vulnerability Scoring System) rates severity from 0–10. Scores 9.0–10.0 are Critical, 7.0–8.9 are High, 4.0–6.9 are Medium, and 0.1–3.9 are Low. Data is sourced from the NVD API v2 and is updated in real-time.