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CVE-2024-4785

📛 CVE Title

BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero

⬇ Download JSON ⚠ View as Threat

Description

BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero

Overview

State
PUBLISHED
Assigner (CNA)
zephyr
CVSS severity
HIGH
CVSS score
CVSS 7.6 / 10 7.6 7.6 / 10
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
Effective score
7.6 / 10 HIGH source: CNA overview
CWE(s)
CWE-369
Reserved
2024-05-10
Published
2024-08-20 00:10 UTC
Last updated
2025-09-17 07:02 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2024/4xxx/CVE-2024-4785.json
Linked Threat
CVE-2024-4785 — BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2024-44378
Assigner
zephyr
Published
Aug 19, 2024, 10:10:05 PM
Updated
Sep 17, 2025, 5:02:14 AM
EUVD base score (CVSS 3.1)
7.6 / 10
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EUVD-reported EPSS
0.1700
Vendors
zephyrproject-rtos
Products
Zephyr (* ≤3.6)

ENISA description: BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero

EUVD references (1)

Affected products (1)
VendorProductVersionsPlatforms
zephyrproject-rtos Zephyr * (affected) —

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

Remediations (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2024-4785.json.

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                "id": "CVE-2024-4785",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-08-22T14:27:50.440384Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
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        "providerMetadata": {
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        },
        "title": "CISA ADP Vulnrichment"
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      "affected": [
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          "defaultStatus": "unaffected",
          "packageName": "Zephyr",
          "product": "Zephyr",
          "repo": "https://github.com/zephyrproject-rtos/zephyr",
          "vendor": "zephyrproject-rtos",
          "versions": [
            {
              "lessThanOrEqual": "3.6",
              "status": "affected",
              "version": "*",
              "versionType": "git"
            }
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          ],
          "value": "BT: Missing Check in LL_CONNECTION_UPDATE_IND Packet Leads to Division by Zero"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H",
            "version": "3.1"
          },
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          "scenarios": [
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      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-369",
              "description": "Divide By Zero",
              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-17T05:02:14.495Z",
        "orgId": "e2e69745-5e70-4e92-8431-deb5529a81ad",
        "shortName": "zephyr"
      },
      "references": [
        {
          "url": "https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-xcr5-5g98-mchp"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
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  "cveMetadata": {
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    "assignerShortName": "zephyr",
    "cveId": "CVE-2024-4785",
    "datePublished": "2024-08-19T22:10:05.249Z",
    "dateReserved": "2024-05-10T19:03:31.098Z",
    "dateUpdated": "2025-09-17T05:02:14.495Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}