{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "2.0.0"
              },
              {
                "last_affected": "2.1.1"
              },
              {
                "introduced": "4.0.0"
              },
              {
                "last_affected": "4.0.1"
              },
              {
                "introduced": "3.0"
              },
              {
                "last_affected": "3.0.9"
              },
              {
                "introduced": "3.1"
              },
              {
                "last_affected": "3.1.7"
              },
              {
                "introduced": "3.2"
              },
              {
                "last_affected": "3.2.3"
              },
              {
                "introduced": "3.3"
              },
              {
                "last_affected": "3.3.2"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "8bca703467be0d5e43e2a3dce2ca7727ca826474"
            },
            {
              "last_affected": "4c81978a3e2220674a432a588292a4c860eef27b"
            },
            {
              "introduced": "3f8f618df5157906e2ebe65f94b003e3ac1b82a7"
            },
            {
              "last_affected": "f3704f027e70a370bed3852f39c2ce48b9e8c7dc"
            },
            {
              "introduced": "22489d70214a5b7650ab197ffd6ab73e9c50a772"
            },
            {
              "last_affected": "d8e057b02c6ecf27b12a36a91a39bc506554f1f8"
            },
            {
              "introduced": "4b91c82cc447640e5b61407e810f1d6f3eabd233"
            },
            {
              "last_affected": "ca1e5e5bc52182a577f1706c8dcbb4d9d7afe310"
            },
            {
              "introduced": "c18890875e64de59581dc1bfe5fd094b262a7dc4"
            },
            {
              "last_affected": "9e70825d1e1cbf7988cf36981774300066580ea7"
            }
          ],
          "repo": "https://github.com/espressif/esp-idf",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "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.",
  "id": "CVE-2020-16146",
  "modified": "2026-08-07T11:31:12.164057693Z",
  "published": "2021-01-12T03:15:12.687Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/espressif/esp-idf"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.md"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}