CVE-2024-31963

MEDIUMNVD 6.46.4—
EchelonGraph scoreMEDIUM confidence

Score 6.4 from GitHub Security Advisory published 2024-05-02. NVD baseline CVSS 6.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.4Exploit: None knownExposed: 0

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

A vulnerability on Mitel 6800 Series and 6900 Series SIP Phones through 6.3 SP3 HF4, 6900w Series SIP Phone through 6.3.3, and 6970 Conference Unit through 5.1.1 SP8 allows an authenticated attacker to conduct a buffer overflow attack due to insufficient bounds checking and input sanitization. A successful exploit could allow an attacker to gain access to sensitive information, modify system configuration or execute arbitrary commands within the context of the system.

CVSS v3
6.4
EG Score
6.4(medium)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity64% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
16%
KEV
Not listed

Published

May 2, 2024

Last Modified

April 15, 2026

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× 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.

Showing the most recent 100 of 130 total refreshes for this CVE.

  1. 2026-07-26 14:53 UTCEPSS rescore
  2. 2026-07-26 14:53 UTCEPSS rescore
  3. 2026-07-25 14:16 UTCEPSS rescore
  4. 2026-07-24 14:16 UTCEPSS rescore
  5. 2026-07-23 14:17 UTCEPSS rescore
  6. 2026-07-23 02:36 UTCEG score recompute
  7. 2026-07-22 14:07 UTCEPSS rescore
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  21. 2026-07-13 22:28 UTCEPSS rescore
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  1. 2026-07-09 19:09 UTCEPSS rescore
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  5. 2026-07-06 16:26 UTCEPSS rescore
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  20. 2026-06-27 03:07 UTCEPSS rescore
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  22. 2026-06-25 13:49 UTCEPSS rescore
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  24. 2026-06-24 14:04 UTCEPSS rescore
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  26. 2026-06-23 21:32 UTCEPSS rescore
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  28. 2026-06-22 14:25 UTCEPSS rescore
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  30. 2026-06-21 14:55 UTCEPSS rescore
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  43. 2026-06-14 23:16 UTCEPSS rescore
  44. 2026-06-13 22:59 UTCEPSS rescore
  45. 2026-06-13 22:59 UTCEPSS rescore
  46. 2026-06-12 23:11 UTCEPSS rescore
  47. 2026-06-12 23:11 UTCEPSS rescore
  48. 2026-06-11 13:59 UTCEPSS rescore
  49. 2026-06-10 22:17 UTCEPSS rescore
  50. 2026-06-10 13:21 UTCEPSS rescore
  51. 2026-06-10 13:21 UTCEPSS rescore
  52. 2026-06-08 14:16 UTCEPSS rescore
  53. 2026-06-07 15:24 UTCEPSS rescore
  54. 2026-06-07 15:24 UTCEPSS rescore
  55. 2026-06-06 13:46 UTCEPSS rescore
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  57. 2026-06-05 22:46 UTCEPSS rescore
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  59. 2026-06-05 06:09 UTCEPSS rescore
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  61. 2026-06-04 13:11 UTCEPSS rescore
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  64. 2026-06-02 20:12 UTCEPSS rescore
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  66. 2026-06-01 13:51 UTCEPSS rescore
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  69. 2026-05-31 22:30 UTCEPSS rescore
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  71. 2026-05-31 00:15 UTCEPSS rescore
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  73. 2026-05-29 13:43 UTCEPSS rescore
  74. 2026-05-29 13:43 UTCEPSS rescore
  75. 2026-05-28 13:44 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2024-31963?
CVE-2024-31963 is a medium vulnerability published on May 2, 2024. A vulnerability on Mitel 6800 Series and 6900 Series SIP Phones through 6.3 SP3 HF4, 6900w Series SIP Phone through 6.3.3, and 6970 Conference Unit through 5.1.1 SP8 allows an authenticated attacker to conduct a buffer overflow attack due to insufficient bounds checking and input sanitization. A…
When was CVE-2024-31963 disclosed?
CVE-2024-31963 was first published in the National Vulnerability Database on May 2, 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-2024-31963 actively exploited?
CVE-2024-31963 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 83.5% of all scored CVEs.
What is the CVSS score of CVE-2024-31963?
CVE-2024-31963 has a CVSS v3 base score of 6.4 (NVD).
How do I remediate CVE-2024-31963?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-31963, 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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