CVE Lookup / NVD Vulnerability Record Fetcher

x402

CVE Lookup / NVD Vulnerability Record Fetcher is a paid API for AI agents from x402.agentutility.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-12).

Fetches the full NIST NVD record for a given CVE ID, including CVSS v3.1 and v2 scores, severity, CWE classification, affected CPEs, references, and a public exploit indicator with exploitability summary.

Price / call$0.005

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StatusUnknown

How this service works

Looks up a CVE and returns the full NIST NVD vulnerability record. Short alias of cve-lookup: CVSS v3.1 + v2 vectors, severity, CWE class, affected CPE list, references, public-exploit indicator with reference URLs, and a bounded exploitability summary. Federal public data. Use it as a vulnerability lookup, NVD record fetch, CVSS scorer, vuln advisory fetch, exploit-known check, or patch-priority triage for Log4Shell-style records.

Output

Returns the NIST NVD record for the requested CVE, including CVSS v3.1 and v2 base scores and vectors, severity label (Critical/High/Medium/Low), CWE classification, list of affected CPE configurations, external references, a boolean public-exploit indicator with reference URLs pointing to known exploits, and a Venice-generated exploitability summary for human-readable triage context.

Example use cases

Example prompt

“Can you pull the full NVD record for CVE-2021-44228 — I need the CVSS v3.1 score and vector, whether there's a known public exploit, the CWE class, and a patch priority assessment?”

Technical details

Endpoint

POSThttps://x402.agentutility.ai/cve?utm_source=zero.xyz

When to prefer

Choose this endpoint when you need authoritative NIST NVD data for a specific CVE, including machine-readable CVSS vectors for automated scoring, exploit-known signals for patch prioritization, or CWE classification for vulnerability categorization. Prefer over unofficial CVE databases when you need a trusted federal source with CVSS v3.1 plus a human-readable exploitability summary in a single call.

Side effects

CVE ID not found in NVD — returns 404 or empty result
Malformed CVE ID format (e.g. missing year or sequence) — returns validation error
NVD upstream unavailable — returns 502 or timeout
CVE record exists but CVSS score not yet assigned (reserved/awaiting analysis) — returns partial record
Rate limiting or payment failure — returns 402 or 429

Input

{
  "input": {
    "body": {
      "cve_id": "CVE-2021-44228"
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  }
}

Schema · Request body

Field	Type	Description
inputrequired	object
output	object

Output

{
  "_truncated": true,
  "_originalSize": 11460
}

Schema · Response

{
  "type": "json",
  "example": {
    "cwe": [
      "CWE-20",
      "CWE-400",
      "CWE-502"
    ],
    "score": 10,
    "cve_id": "CVE-2021-44228",
    "status": "Modified",
    "cvss_v2": {
      "severity": "HIGH",
      "base_score": 9.3
    },
    "severity": "CRITICAL",
    "cvss_v3_1": {
      "base_score": 10,
      "base_severity": "CRITICAL",
      "vector_string": "CVSS:3.1/AV:N/..."
    },
    "published": "2021-12-10T10:15:00.000",
    "references": [
      {
        "url": "https://logging.apache.org/log4j/2.x/security.html",
        "source": "MISC"
      }
    ],
    "description": "Apache Log4j2 ... JNDI features ...",
    "affected_cpes": [
      "cpe:2.3:a:apache:log4j:2.0:*:*:*:*:*:*:*"
    ],
    "last_modified": "2025-04-03T01:03:51.193",
    "exploit_summary": "Remote code execution via JNDI lookups in user-controlled log strings...",
    "affected_cpe_count": 612,
    "exploit_references": [
      "https://github.com/.../log4shell-poc"
    ],
    "public_exploit_known": true
  }
}

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