« Volver al listado

CVE-2021-35093

Estado: ModificadaMedia (6.5)—

Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-35093",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.3,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.5,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "product-security@qualcomm.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@qualcomm.com",
      "affectedData": [
        {
          "vendor": "Qualcomm, Inc.",
          "product": "BlueCore",
          "versions": [
            {
              "status": "affected",
              "version": "CSR8510 A10, CSR8811 A12"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-01-03T08:15:09.147",
  "references": [
    {
      "url": "https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@qualcomm.com"
    },
    {
      "url": "https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore"
    },
    {
      "lang": "es",
      "value": "Una posible corrupción de memoria en el controlador BT cuando recibe un paquete LMP sobredimensionado a través de un enlace 2-DH1 y conlleva a una denegación de servicio en BlueCore"
    }
  ],
  "lastModified": "2026-06-17T03:57:09.813",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:qualcomm:csr8510_a10_firmware:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "488EC85E-079A-4C42-820C-E308C682F747"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:qualcomm:csr8510_a10:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "9E578951-22C0-407D-B9BF-21493D697D14"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:qualcomm:csr8811_a12_firmware:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5654C834-524B-4F94-AD12-4144FD9A91E5"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:qualcomm:csr8811_a12:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "FCB4135E-BD64-409C-B9AB-F4F720142D4E"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "product-security@qualcomm.com"
}