FKIE_CVE-2019-19195

Vulnerability from fkie_nvd - Published: 2020-02-10 21:51 - Updated: 2026-06-17 02:26
Severity
6.5 (Medium) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
The Bluetooth Low Energy implementation on Microchip Technology BluSDK Smart through 6.2 for ATSAMB11 devices does not properly restrict link-layer data length on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet.
References
cve@mitre.orghttps://asset-group.github.io/disclosures/sweyntooth/Third Party Advisory
cve@mitre.orghttps://www.microchip.com/wwwproducts/en/ATSAMB11Product, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://asset-group.github.io/disclosures/sweyntooth/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.microchip.com/wwwproducts/en/ATSAMB11Product, Vendor Advisory
Impacted products
Vendor Product Version
microchip atmsamb11_blusdk_smart *
microchip atsamb11 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microchip:atmsamb11_blusdk_smart:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BEBE5B57-A74C-4A14-A1F5-BF2A99F4F602",
              "versionEndIncluding": "6.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:h:microchip:atsamb11:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "32F7B5EE-A1CD-4E5E-8902-55D0A761796F",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Bluetooth Low Energy implementation on Microchip Technology BluSDK Smart through 6.2 for ATSAMB11 devices does not properly restrict link-layer data length on reception, allowing attackers in radio range to cause a denial of service (crash) via a crafted packet."
    },
    {
      "lang": "es",
      "value": "La implementaci\u00f3n de Bluetooth Low Energy en la tecnolog\u00eda Microchip BluSDK Smart versiones hasta 6.2 para dispositivos ATSAMB11, no restringe apropiadamente la longitud de los datos de la capa de enlace en la recepci\u00f3n, permitiendo a atacantes dentro del radio de alcance causar una denegaci\u00f3n de servicio (bloqueo) por medio de un paquete dise\u00f1ado."
    }
  ],
  "id": "CVE-2019-19195",
  "lastModified": "2026-06-17T02:26:16.040",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "ADJACENT_NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 6.5,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-02-10T21:51:32.923",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://asset-group.github.io/disclosures/sweyntooth/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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        "Vendor Advisory"
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      "url": "https://www.microchip.com/wwwproducts/en/ATSAMB11"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "tags": [
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      "url": "https://www.microchip.com/wwwproducts/en/ATSAMB11"
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  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.