CVE-2024-33862

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.6%, top 29% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

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

A buffer-management vulnerability in OPC Foundation OPCFoundation.NetStandard.Opc.Ua.Core before 1.05.374.54 could allow remote attackers to exhaust memory resources. It is triggered when the system receives an excessive number of messages from a remote source. This could potentially lead to a denial of service (DoS) condition, disrupting the normal operation of the system.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
42.5%
KEV
Not listed

Published

July 5, 2024

Last Modified

April 15, 2026

References (2)

Affected Packages

(1 across 1 ecosystem)
NuGet(1)
PackageVulnerable rangeFixed inDependents
OPCFoundation.NetStandard.Opc.Ua.Core0.0.3 ... 1.5.374.50-preview (76 versions)1.5.374.54—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 47× 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.

Showing the most recent 100 of 105 total refreshes for this CVE.

  1. 2026-07-12 05:45 UTCEPSS rescore
  2. 2026-07-11 08:26 UTCEPSS rescore
  3. 2026-07-11 08:26 UTCEPSS rescore
  4. 2026-07-09 19:09 UTCEPSS rescore
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  7. 2026-07-07 13:45 UTCEPSS rescore
  8. 2026-07-06 16:26 UTCEPSS rescore
  9. 2026-07-06 02:22 UTCEPSS rescore
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  11. 2026-07-05 02:29 UTCEPSS rescore
  12. 2026-07-04 06:30 UTCEPSS rescore
  13. 2026-07-01 15:05 UTCEPSS rescore
  14. 2026-06-30 23:21 UTCEPSS rescore
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  16. 2026-06-29 14:05 UTCEPSS rescore
  17. 2026-06-28 14:06 UTCEPSS rescore
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  19. 2026-06-28 04:55 UTCEPSS rescore
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  21. 2026-06-27 03:07 UTCEPSS rescore
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  23. 2026-06-25 13:49 UTCEPSS rescore
  24. 2026-06-24 14:04 UTCEPSS rescore
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  1. 2026-06-23 21:32 UTCEPSS rescore
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  3. 2026-06-22 14:25 UTCEPSS rescore
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  5. 2026-06-21 14:55 UTCEPSS rescore
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  7. 2026-06-21 01:58 UTCEPSS rescore
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  9. 2026-06-19 19:25 UTCEPSS rescore
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  11. 2026-06-18 17:51 UTCEPSS rescore
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  17. 2026-06-15 17:47 UTCEPSS rescore
  18. 2026-06-14 23:16 UTCEPSS rescore
  19. 2026-06-13 22:59 UTCEPSS rescore
  20. 2026-06-13 22:59 UTCEPSS rescore
  21. 2026-06-12 23:11 UTCEPSS rescore
  22. 2026-06-12 23:11 UTCEPSS rescore
  23. 2026-06-11 13:59 UTCEPSS rescore
  24. 2026-06-10 22:17 UTCEPSS rescore
  25. 2026-06-10 13:21 UTCEPSS rescore
  26. 2026-06-10 13:21 UTCEPSS rescore
  27. 2026-06-08 14:16 UTCEPSS rescore
  28. 2026-06-07 15:24 UTCEPSS rescore
  29. 2026-06-07 15:24 UTCEPSS rescore
  30. 2026-06-06 13:46 UTCEPSS rescore
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  32. 2026-06-05 22:46 UTCEPSS rescore
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  36. 2026-06-04 13:11 UTCEPSS rescore
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  39. 2026-06-02 20:12 UTCEPSS rescore
  40. 2026-06-02 20:12 UTCEPSS rescore
  41. 2026-06-01 13:51 UTCEPSS rescore
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  43. 2026-06-01 13:51 UTCEPSS rescore
  44. 2026-05-31 22:30 UTCEPSS rescore
  45. 2026-05-31 22:30 UTCEPSS rescore
  46. 2026-05-31 00:15 UTCEPSS rescore
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  48. 2026-05-29 13:43 UTCEPSS rescore
  49. 2026-05-29 13:43 UTCEPSS rescore
  50. 2026-05-28 13:44 UTCEPSS rescore
  51. 2026-05-28 13:44 UTCEPSS rescore
  52. 2026-05-28 13:44 UTCEPSS rescore
  53. 2026-05-27 13:40 UTCEPSS rescore
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  55. 2026-05-26 13:43 UTCEPSS rescore
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  57. 2026-05-26 07:18 UTCEPSS rescore
  58. 2026-05-26 07:18 UTCEPSS rescore
  59. 2026-05-23 00:09 UTCEG score recompute
  60. 2026-05-22 21:16 UTCEPSS rescore
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  63. 2026-05-22 21:16 UTCEPSS rescore
  64. 2026-05-22 00:31 UTCEG score recompute
  65. 2026-05-21 22:42 UTCEPSS rescore
  66. 2026-05-20 22:37 UTCEPSS rescore
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  75. 2026-05-20 11:21 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2024-33862?
CVE-2024-33862 is a high vulnerability published on July 5, 2024. A buffer-management vulnerability in OPC Foundation OPCFoundation.NetStandard.Opc.Ua.Core before 1.05.374.54 could allow remote attackers to exhaust memory resources. It is triggered when the system receives an excessive number of messages from a remote source. This could potentially lead to a…
When was CVE-2024-33862 disclosed?
CVE-2024-33862 was first published in the National Vulnerability Database on July 5, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-33862 actively exploited?
CVE-2024-33862 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 42.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-33862?
CVE-2024-33862 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2024-33862?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-33862, 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.

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