CVE-2022-40224

HIGHNVD 7.57.5
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2023-02-07. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
7.5
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 65%
CISA-KEV: Not listedEPSS: 65%CVSS: 7.5Exploit: NoneExposed: 0

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

A denial of service vulnerability exists in the web server functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1. A specially-crafted HTTP message header can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
99.1%
KEV
Not listed

Published

February 7, 2023

Last Modified

November 21, 2024

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 33× 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. 2026-07-11 08:25 UTCEPSS rescore
  2. 2026-07-11 08:25 UTCEPSS rescore
  3. 2026-07-09 19:08 UTCEPSS rescore
  4. 2026-07-08 15:12 UTCEPSS rescore
  5. 2026-07-07 13:44 UTCEPSS rescore
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  7. 2026-07-04 06:29 UTCEPSS rescore
  8. 2026-07-02 16:58 UTCEPSS rescore
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  10. 2026-06-29 14:04 UTCEPSS rescore
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  12. 2026-06-28 14:06 UTCEPSS rescore
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  15. 2026-06-27 03:07 UTCEPSS rescore
  16. 2026-06-27 03:07 UTCEPSS rescore
  17. 2026-06-25 13:48 UTCEPSS rescore
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  19. 2026-06-24 14:03 UTCEPSS rescore
  20. 2026-06-23 21:31 UTCEPSS rescore
  21. 2026-06-23 21:31 UTCEPSS rescore
  22. 2026-06-21 14:55 UTCEPSS rescore
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  24. 2026-06-18 17:51 UTCEPSS rescore
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  1. 2026-06-17 17:51 UTCEPSS rescore
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  3. 2026-06-16 17:51 UTCEPSS rescore
  4. 2026-06-15 17:46 UTCEPSS rescore
  5. 2026-06-14 23:16 UTCEPSS rescore
  6. 2026-06-13 22:59 UTCEPSS rescore
  7. 2026-06-12 23:10 UTCEPSS rescore
  8. 2026-06-12 23:10 UTCEPSS rescore
  9. 2026-06-11 13:58 UTCEPSS rescore
  10. 2026-06-11 13:58 UTCEPSS rescore
  11. 2026-06-10 22:17 UTCEPSS rescore
  12. 2026-06-10 13:21 UTCEPSS rescore
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  14. 2026-06-08 14:15 UTCEPSS rescore
  15. 2026-06-06 13:46 UTCEPSS rescore
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  18. 2026-06-05 22:46 UTCEPSS rescore
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  20. 2026-06-05 06:09 UTCEPSS rescore
  21. 2026-06-05 06:09 UTCEPSS rescore
  22. 2026-06-04 13:11 UTCEPSS rescore
  23. 2026-06-02 20:12 UTCEPSS rescore
  24. 2026-06-02 20:11 UTCEPSS rescore
  25. 2026-06-01 13:50 UTCEPSS rescore
  26. 2026-06-01 13:50 UTCEPSS rescore
  27. 2026-05-31 22:29 UTCEPSS rescore
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  29. 2026-05-31 00:15 UTCEPSS rescore
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  31. 2026-05-29 13:43 UTCEPSS rescore
  32. 2026-05-28 13:43 UTCEPSS rescore
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  34. 2026-05-27 13:39 UTCEPSS rescore
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  36. 2026-05-26 13:43 UTCEPSS rescore
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  39. 2026-05-26 07:17 UTCEPSS rescore
  40. 2026-05-26 07:17 UTCEPSS rescore
  41. 2026-05-26 07:17 UTCEPSS rescore
  42. 2026-05-25 07:16 UTCEG score recompute
  43. 2026-05-25 07:16 UTCGHSA enrichment
  44. 2026-05-24 00:53 UTCOSV refresh

Frequently asked(5)

What is CVE-2022-40224?
CVE-2022-40224 is a high vulnerability published on February 7, 2023. A denial of service vulnerability exists in the web server functionality of Moxa SDS-3008 Series Industrial Ethernet Switch 2.1. A specially-crafted HTTP message header can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.
When was CVE-2022-40224 disclosed?
CVE-2022-40224 was first published in the National Vulnerability Database on February 7, 2023, 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-2022-40224 actively exploited?
CVE-2022-40224 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-40224?
CVE-2022-40224 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2022-40224?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-40224, 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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