{"uid":"cap_2oaqFMRCt8dKXSzWTpVK2","slug":"sitecheck-web-intel-cve-nvd-lookup-bc0eaf17","name":"SiteCheck Web Intel CVE NVD Lookup","description":"One CVE record from the NIST National Vulnerability Database: description, published and last-modified dates, NVD status, primary CVSS score and severity (v4.0, 3.1, 3.0 or 2.0, whichever NVD marks primary first), CWE weakness IDs and up to 5 reference URLs. It does not say whether the CVE is being exploited (use cisa-known-exploits or epss-exploit-score for that).","url":"https://api.webintel-api.workers.dev/api/security/cve-nvd-lookup?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["cveId"],"properties":{"cveId":{"type":"string","description":"CVE identifier such as CVE-2021-44228 (required)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MfDI_RfLl5gwIyRR8nWjC","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches a single CVE record from the NIST National Vulnerability Database, including description, CVSS score/severity, CWE IDs, and reference URLs","exampleAgentPrompt":"Can you pull up the NVD details for CVE-2021-44228 — I need the CVSS severity score, the CWE IDs, and a short description of the vulnerability.","exampleUseCases":[{"title":"Security patch prioritization triage","prompt":"We just got an alert about CVE-2023-44487 — can you look it up in the NVD and tell me the CVSS score, severity level, and what CWE weakness it maps to so I can decide how urgent the patch is?"},{"title":"Vulnerability report enrichment","prompt":"I'm writing a security report and need the full NVD record for CVE-2022-22965 — give me the description, published and last-modified dates, CVSS score, and any reference URLs from the database."},{"title":"Dev dependency vulnerability check","prompt":"One of our open-source dependencies flagged CVE-2024-3094 — look it up in the National Vulnerability Database and tell me its severity, CVSS score, and what weaknesses it's classified under."}],"resultDescription":"Returns a structured record for the requested CVE including: plain-language description, published and last-modified timestamps, NVD processing status, primary CVSS score and severity (from v4.0, 3.1, 3.0, or 2.0 — whichever NVD marks primary), associated CWE weakness IDs, and up to 5 reference URLs. Does not include exploitation status or EPSS scores.","failureModes":["CVE ID not found in NVD — returns error or empty result","Malformed CVE ID format (e.g. missing 'CVE-' prefix) — returns validation error","NVD upstream API unavailable — may return timeout or 503","CVE exists but has no CVSS score yet (newly published) — score fields may be null","Rate limiting or payment failure via x402 protocol"],"whenToPreferThis":"Use this endpoint when you need structured NVD data for a specific CVE — description, CVSS score, severity, CWE IDs, and reference links — without needing exploitation status. For exploitation likelihood, pair with EPSS or CISA Known Exploits endpoints. Prefer this over scraping NVD directly since it's a pay-per-call API that handles NVD querying and normalization for you.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-25T12:31:33.378Z","isFirstParty":false,"canonicalSlug":"sitecheck-web-intel-cve-nvd-lookup-bc0eaf17"}