{
  "id": "CVE-2021-3625",
  "sourceIdentifier": "vulnerabilities@zephyrproject.org",
  "published": "2021-10-05T21:15:09.463",
  "lastModified": "2021-10-13T19:53:34.403",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363"
    },
    {
      "lang": "es",
      "value": "Desbordamiento del b\u00fafer en Zephyr USB DFU DNLOAD. Zephyr versiones posteriores a v2.5.0 incluy\u00e9ndola, contienen un Desbordamiento de B\u00fafer en la regi\u00f3n Heap de la memoria (CWE-122). Para m\u00e1s informaci\u00f3n, consulte https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363"
    }
  ],
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
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        "exploitabilityScore": 3.9,
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          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
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      }
    ],
    "cvssMetricV2": [
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        "type": "Primary",
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          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
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          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
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          "value": "CWE-787"
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      "description": [
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  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "2.5.0",
              "versionEndExcluding": "2.7.0",
              "matchCriteriaId": "6E4583D9-DA5A-48C0-BDCE-39616F872F87"
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    {
      "url": "http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363",
      "source": "vulnerabilities@zephyrproject.org",
      "tags": [
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}