CVE-2022-39288

HIGHNVD 7.58.3▲
EchelonGraph scoreHIGH confidence

Score elevated to 8.3 because EPSS predicts 59% probability of exploitation within the next 30 days (top 1.0% of all CVEs). NVD baseline CVSS 7.5 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, nvd
Trending — 3 sources updated this weekElevated
7.5
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 59%
CISA-KEV: Not listedEPSS: 59%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

fastify is a fast and low overhead web framework, for Node.js. Affected versions of fastify are subject to a denial of service via malicious use of the Content-Type header. An attacker can send an invalid Content-Type header that can cause the application to crash. This issue has been addressed in commit fbb07e8d and will be included in release version 4.8.1. Users are advised to upgrade. Users unable to upgrade may manually filter out http content with malicious Content-Type headers.

CVSS v3
7.5
EG Score
8.3(high)
EG Risk
76(Track)
EG Risk 76/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity83% × 45%
Exploitation59% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
99.0%
KEV
Not listed

Published

October 10, 2022

Last Modified

November 21, 2024

References (6)

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
fastify—4.8.1—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 36× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 02:13 UTCEG score recompute▲ 0.80
  2. 2026-07-22 23:00 UTCEG score recompute
  3. 2026-07-22 14:06 UTCEPSS rescore
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  9. 2026-07-16 18:23 UTCOSV refresh
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  1. 2026-06-30 23:20 UTCEPSS rescore
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  3. 2026-06-28 16:32 UTCOSV refresh
  4. 2026-06-28 04:54 UTCEPSS rescore
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  28. 2026-06-11 13:58 UTCEPSS rescore
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  30. 2026-06-11 07:39 UTCOSV refresh
  31. 2026-06-10 22:17 UTCEPSS rescore
  32. 2026-06-10 13:20 UTCEPSS rescore
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  47. 2026-05-31 22:29 UTCEPSS rescore
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  56. 2026-05-27 13:39 UTCEPSS rescore
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  60. 2026-05-26 07:17 UTCEPSS rescore
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  63. 2026-05-25 14:11 UTCEG score recompute
  64. 2026-05-24 19:12 UTCOSV refresh
  65. 2026-05-24 16:51 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-39288?
CVE-2022-39288 is a high vulnerability published on October 10, 2022. fastify is a fast and low overhead web framework, for Node.js. Affected versions of fastify are subject to a denial of service via malicious use of the Content-Type header. An attacker can send an invalid Content-Type header that can cause the application to crash. This issue has been addressed in…
When was CVE-2022-39288 disclosed?
CVE-2022-39288 was first published in the National Vulnerability Database on October 10, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-39288 actively exploited?
CVE-2022-39288 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-39288?
CVE-2022-39288 has a CVSS v3 base score of 7.5 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.3.
How do I remediate CVE-2022-39288?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-39288, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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