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Cyber Fundamentals8 min · Script ready — not yet recorded

CVE Triage: A Workflow That Scales With the Feed

Thousands of CVEs are published every month. This episode walks through a practical triage workflow built around exploitation signal, not CVSS score.

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Overview

There are too many CVEs to treat equally. This episode shows a triage workflow that prioritises exploitation signal — EPSS, CISA KEV, public PoC availability, asset context — over raw CVSS score, and scales as the feed grows.

Key takeaways

  • CVSS alone is a poor prioritisation signal at scale — it does not reflect real-world exploitation
  • EPSS (Exploit Prediction Scoring System) gives probabilistic exploitation signal
  • CISA KEV is the authoritative list of actively exploited vulnerabilities
  • Asset context — where the vulnerable component runs, what it is exposed to — is the final filter
  • A tiered triage model that combines KEV, EPSS, and asset exposure scales with feed volume

Episode script

[OUTLINE — full script to be expanded before recording]

Open: the volume problem. Thousands of CVEs per month.

Section 1 — Why CVSS alone fails at scale. Static score, no exploitation signal, no context.

Section 2 — EPSS. How it works, what it tells you, where to get it.

Section 3 — CISA KEV. The authoritative actively-exploited list. How to integrate it.

Section 4 — Asset context. Internet-exposed vs internal, critical vs non-critical.

Section 5 — A tiered workflow. Tier 1: KEV hits. Tier 2: high EPSS + exposed. Tier 3: everything else on a cadence.

Section 6 — Automating it. Pulling feeds into a ticketing system.

Outro.

References