CVE-2023-48315

CRITICALNVD 9.88.8▼
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 1.1%, top 22% 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
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 9.8Exploit: NoneExposed: 0

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

Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to ftp and sntp in RTOS v6.2.1 and below. The fixes have been included in NetX Duo release 6.3.0. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS v3
9.8
EG Score
8.8(medium)
EPSS
89.2%
KEV
Not listed

Published

December 5, 2023

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jul 9, 2026
Patch available. Sources: github.
github Patch Available

Azure RTOS NetX Duo Remote Code Execution Vulnerability · Advisory · eclipse-threadx/netxduo · GitHub

https://github.com/azure-rtos/netxduo/security/advisories/GHSA-rj6h-jjg2-7gf3

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 46× 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. 2026-07-22 14:06 UTCEPSS rescore
  2. 2026-07-21 15:23 UTCEPSS rescore
  3. 2026-07-21 15:23 UTCEPSS rescore
  4. 2026-07-20 17:06 UTCEPSS rescore
  5. 2026-07-19 14:29 UTCEPSS rescore
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  7. 2026-07-19 02:27 UTCEPSS rescore
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  10. 2026-07-16 17:01 UTCEPSS rescore
  11. 2026-07-15 16:56 UTCEPSS rescore
  12. 2026-07-15 16:56 UTCEPSS rescore
  13. 2026-07-15 02:19 UTCOSV refresh
  14. 2026-07-15 01:59 UTCEPSS rescore
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  16. 2026-07-13 22:28 UTCEPSS rescore
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  24. 2026-07-06 16:26 UTCEPSS rescore
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  1. 2026-07-06 02:22 UTCEPSS rescore
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  3. 2026-07-04 06:29 UTCEPSS rescore
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  5. 2026-07-02 16:59 UTCEPSS rescore
  6. 2026-07-01 15:05 UTCEPSS rescore
  7. 2026-06-30 23:21 UTCEPSS rescore
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  9. 2026-06-29 14:05 UTCEPSS rescore
  10. 2026-06-28 14:06 UTCEPSS rescore
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  12. 2026-06-28 04:55 UTCEPSS rescore
  13. 2026-06-27 03:07 UTCEPSS rescore
  14. 2026-06-27 03:07 UTCOSV refresh
  15. 2026-06-25 13:48 UTCEPSS rescore
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  17. 2026-06-24 14:04 UTCEPSS rescore
  18. 2026-06-24 14:04 UTCEPSS rescore
  19. 2026-06-24 06:32 UTCNVD updateCVSS v3 → 9.8 · severity → CRITICAL
  20. 2026-06-23 21:31 UTCEPSS rescore
  21. 2026-06-23 21:31 UTCEPSS rescore
  22. 2026-06-22 14:24 UTCEPSS rescore
  23. 2026-06-22 14:24 UTCEPSS rescore
  24. 2026-06-21 14:55 UTCEPSS rescore
  25. 2026-06-21 14:55 UTCEPSS rescore
  26. 2026-06-21 01:58 UTCEPSS rescore
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  28. 2026-06-19 19:24 UTCEPSS rescore
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  30. 2026-06-18 17:51 UTCEPSS rescore
  31. 2026-06-17 17:51 UTCEPSS rescore
  32. 2026-06-16 17:51 UTCEPSS rescore
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  34. 2026-06-15 17:47 UTCEPSS rescore
  35. 2026-06-14 23:16 UTCEPSS rescore
  36. 2026-06-13 22:59 UTCEPSS rescore
  37. 2026-06-13 22:59 UTCEPSS rescore
  38. 2026-06-12 23:11 UTCEPSS rescore
  39. 2026-06-12 23:10 UTCEPSS rescore
  40. 2026-06-11 13:59 UTCEPSS rescore
  41. 2026-06-10 22:17 UTCEPSS rescore
  42. 2026-06-10 13:21 UTCEPSS rescore
  43. 2026-06-09 13:47 UTCOSV refresh
  44. 2026-06-08 14:16 UTCEPSS rescore
  45. 2026-06-08 14:16 UTCEPSS rescore
  46. 2026-06-07 15:24 UTCEPSS rescore
  47. 2026-06-07 15:23 UTCEPSS rescore
  48. 2026-06-06 13:46 UTCEPSS rescore
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  50. 2026-06-05 22:46 UTCEPSS rescore
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  55. 2026-06-04 13:11 UTCEPSS rescore
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  60. 2026-06-01 13:51 UTCEPSS rescore
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  62. 2026-05-31 22:30 UTCEPSS rescore
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  64. 2026-05-31 00:15 UTCEPSS rescore
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  66. 2026-05-29 13:43 UTCEPSS rescore
  67. 2026-05-28 13:44 UTCEPSS rescore
  68. 2026-05-27 13:39 UTCEPSS rescore
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  70. 2026-05-26 13:43 UTCEPSS rescore
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  72. 2026-05-26 07:18 UTCEPSS rescore
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  74. 2026-05-26 07:18 UTCEPSS rescore
  75. 2026-05-24 12:49 UTCEG score recompute

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Frequently asked(5)

What is CVE-2023-48315?
CVE-2023-48315 is a critical vulnerability published on December 5, 2023. Azure RTOS NetX Duo is a TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. An attacker can cause remote code execution due to memory overflow vulnerabilities in Azure RTOS NETX Duo. The affected components include processes/functions related to ftp and…
When was CVE-2023-48315 disclosed?
CVE-2023-48315 was first published in the National Vulnerability Database on December 5, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-48315 actively exploited?
CVE-2023-48315 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-48315?
CVE-2023-48315 has a CVSS v3 base score of 9.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.8.
How do I remediate CVE-2023-48315?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-48315, 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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