Security
CVSS Calculator
Paste a CVSS v3.x vector string and instantly decode the base score, severity label, and all eight metric values. The calculator runs entirely in your browser — no data is transmitted.
No data is transmitted — everything runs locallyTool
About this tool
CVSS Calculator
The CVSS Calculator decodes any CVSS 3.x vector string into a human-readable severity breakdown, showing score, label, and all eight metric values.
• Decode a CVE severity score before prioritising a patch
• Explain a CVSS vector to a non-technical stakeholder
• Verify CVSS scoring for a vulnerability you are reporting
• Compare severity across multiple CVEs in a sprint backlog
Next step
Alerting Threshold Calculator — Compute multi-window SLO burn rate alert thresholds from the Google SRE Workbook method.
Open Alerting Threshold Calculator →
FAQ
What does this tool tell you?
The CVSS Calculator decodes any CVSS 3.x vector string into a human-readable severity breakdown, showing score, label, and all eight metric values.
What affects the result most?
Attack Vector (Network vs Local vs Physical). Attack Complexity (conditions required to exploit). Privileges Required (authentication needed).
How should I use the result?
The parsing and decoding happen entirely in your browser — input is never transmitted. Copy the decoded output into your audit log, debugging session, or documentation; the transformation is reversible when the format specifies one.
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