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CVE-2020-16146

Estado: ModificadaAlta (7.5)—

Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.7, 3.2.x through 3.2.3, 3.3.x through 3.3.2, and 4.0.x through 4.0.1 has a Buffer Overflow in BluFi provisioning in btc_blufi_recv_handler function in blufi_prf.c. An attacker can send a crafted BluFi protocol Write Attribute command to characteristic 0xFF01. With manipulated packet fields, there is a buffer overflow.

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 (1)

Espressif — Esp-idf

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-16146",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/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": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/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": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-01-12T03:15:12.687",
  "references": [
    {
      "url": "https://github.com/espressif/esp-idf",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.md",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/espressif/esp-idf",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.md",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.7, 3.2.x through 3.2.3, 3.3.x through 3.3.2, and 4.0.x through 4.0.1 has a Buffer Overflow in BluFi provisioning in btc_blufi_recv_handler function in blufi_prf.c. An attacker can send a crafted BluFi protocol Write Attribute command to characteristic 0xFF01. With manipulated packet fields, there is a buffer overflow."
    },
    {
      "lang": "es",
      "value": "Espressif ESP-IDF versiones 2.x, 3.0.x hasta 3.0.9, versiones 3.1.x hasta 3.1.7, versiones 3.2.x hasta 3.2.3, versiones 3.3.x hasta 3.3.2 y versiones 4.0.x versiones hasta 4.0.1, presenta un Desbordamiento del Búfer en el aprovisionamiento de BluFi en la función btc_blufi_recv_handler en el archivo blufi_prf.c. Un atacante puede enviar un comando Write Attribute del protocolo BluFi diseñado en la característica 0xFF01. Con campos de paquetes manipulados, se presenta un desbordamiento del búfer"
    }
  ],
  "lastModified": "2026-06-17T02:57:47.133",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "57FA924F-77EE-48AE-9343-A1775EA6789C",
              "versionEndIncluding": "2.1.1",
              "versionStartIncluding": "2.0.0"
            },
            {
              "criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "63138525-7940-4FA3-BB64-9B1223CFD1BD",
              "versionEndIncluding": "3.0.9",
              "versionStartIncluding": "3.0"
            },
            {
              "criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2F37BEBC-EFE6-4FDE-B366-90EC2CF04B0D",
              "versionEndIncluding": "3.1.7",
              "versionStartIncluding": "3.1"
            },
            {
              "criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C2E37506-B1C3-4905-BD14-B50A478B6AA7",
              "versionEndIncluding": "3.2.3",
              "versionStartIncluding": "3.2"
            },
            {
              "criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5FF549F1-A312-4AF2-8BA2-38DE4BBDB3BF",
              "versionEndIncluding": "3.3.2",
              "versionStartIncluding": "3.3"
            },
            {
              "criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "23808EA2-2D3F-45B4-9B83-FA36F98492F1",
              "versionEndIncluding": "4.0.1",
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            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}