CVE-2024-48983

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2024-11-20. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.5Exploit: None knownExposed: 0

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

An issue was discovered in MBed OS 6.16.0. During processing of HCI packets, the software dynamically determines the length of the packet data by reading 2 bytes from the packet header. A buffer is then allocated to contain the entire packet, the size of which is calculated as the length of the packet body determined earlier plus the header length. WsfMsgAlloc then increments this again by sizeof(wsfMsg_t). This may cause an integer overflow that results in the buffer being significantly too small to contain the entire packet. This may cause a buffer overflow of up to 65 KB . This bug is trivial to exploit for a denial of service but can generally not be exploited further because the exploitable buffer is dynamically allocated.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: 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
Severity75% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
36%
KEV
Not listed

Published

November 20, 2024

Last Modified

November 25, 2024

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 41× 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 104 total refreshes for this CVE.

  1. 2026-07-27 14:11 UTCEPSS rescore
  2. 2026-07-26 14:53 UTCEPSS rescore
  3. 2026-07-26 14:53 UTCEPSS rescore
  4. 2026-07-25 14:17 UTCEPSS rescore
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  9. 2026-07-23 02:42 UTCEG score recompute
  10. 2026-07-22 14:07 UTCEPSS rescore
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  12. 2026-07-21 15:23 UTCEPSS rescore
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  25. 2026-07-13 22:29 UTCEPSS rescore
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  1. 2026-07-13 06:12 UTCEPSS rescore
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  19. 2026-06-27 03:07 UTCEPSS rescore
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  21. 2026-06-25 13:49 UTCEPSS rescore
  22. 2026-06-24 14:04 UTCEPSS rescore
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  24. 2026-06-23 21:32 UTCEPSS rescore
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  26. 2026-06-22 14:25 UTCEPSS rescore
  27. 2026-06-22 14:25 UTCEPSS rescore
  28. 2026-06-21 14:56 UTCEPSS rescore
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  31. 2026-06-19 19:25 UTCEPSS rescore
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  40. 2026-06-13 22:59 UTCEPSS rescore
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  43. 2026-06-12 23:11 UTCEPSS rescore
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  45. 2026-06-11 13:59 UTCEPSS rescore
  46. 2026-06-10 22:18 UTCEPSS rescore
  47. 2026-06-10 13:21 UTCEPSS rescore
  48. 2026-06-08 14:16 UTCEPSS rescore
  49. 2026-06-08 14:16 UTCEPSS rescore
  50. 2026-06-07 15:24 UTCEPSS rescore
  51. 2026-06-07 15:24 UTCEPSS rescore
  52. 2026-06-06 13:46 UTCEPSS rescore
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  54. 2026-06-05 22:46 UTCEPSS rescore
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  56. 2026-06-05 06:09 UTCEPSS rescore
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  58. 2026-06-04 13:11 UTCEPSS rescore
  59. 2026-06-04 13:11 UTCEPSS rescore
  60. 2026-06-02 20:12 UTCEPSS rescore
  61. 2026-06-01 13:51 UTCEPSS rescore
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  63. 2026-05-31 22:30 UTCEPSS rescore
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  67. 2026-05-29 13:43 UTCEPSS rescore
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  73. 2026-05-26 13:43 UTCEPSS rescore
  74. 2026-05-26 13:43 UTCEPSS rescore
  75. 2026-05-26 07:18 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2024-48983?
CVE-2024-48983 is a high vulnerability published on November 20, 2024. An issue was discovered in MBed OS 6.16.0. During processing of HCI packets, the software dynamically determines the length of the packet data by reading 2 bytes from the packet header. A buffer is then allocated to contain the entire packet, the size of which is calculated as the length of the…
When was CVE-2024-48983 disclosed?
CVE-2024-48983 was first published in the National Vulnerability Database on November 20, 2024, with the most recent update on November 25, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-48983 actively exploited?
CVE-2024-48983 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 64.3% of all scored CVEs.
What is the CVSS score of CVE-2024-48983?
CVE-2024-48983 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2024-48983?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-48983, 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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