CNA Name Matching Quality

How well CVE assigner names match the official CNA registry

Exact Matches

Perfect shortName match

Fuzzy Matches

Matched via normalization

Unmatched

No registry match found

Match Rate

Overall matching success

How Name Matching Works

This analysis uses CNAScorecard-style name matching to reconcile CVE assigner names with the official CNA registry. The matching process uses progressively relaxed strategies:

Exact Match: Direct shortName comparison
Case-Insensitive: Ignore letter casing differences
Organization Name: Match via full organization name

Normalized: Remove spaces, hyphens, underscores
Partial: Substring containment check

Unmatched CNAs may be historical assigners, deprecated organizations, or name variations not yet mapped.

Match Quality Distribution

CVEs by Match Type

Excluding exact matches for scale

Case Mismatches

CNAs using different letter casing than official registry

Name Used	Official Name	CVEs	KEVs
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Organization Name Matches

CNAs matched via organization name instead of shortName

Name Used	Official ShortName	CVEs	KEVs
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Normalized Matches

CNAs matched after removing spaces, hyphens, and underscores

Name Used	Official Name	CVEs	KEVs
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Partial Matches

CNAs matched via substring containment (lower confidence)

Name Used	Possible Match	CVEs	Confidence
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Unmatched CNAs

CVE assigners with no match found in official CNA registry

Name	CVEs	KEVs	EPSS High	Notes
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