{
  "id": "CVE-2023-31893",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2023-06-05T21:15:10.977",
  "lastModified": "2023-06-13T19:12:30.960",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "Telefnica Brasil Vivo Play (IPTV) Firmware: 2023.04.04.01.06.15 is vulnerable to Denial of Service (DoS) via DNS Recursion."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-674"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:telefonica:brasil_vivo_play_firmware:2023.04.04.01.06.15:*:*:*:*:*:*:*",
              "matchCriteriaId": "761C78C8-CDEE-4AC1-98CE-5EF5B70A8530"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:telefonica:brasil_vivo_play:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "BA064EC5-00EA-46DB-8233-F32492EA0129"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://medium.com/@shooterRX/dns-recursion-leads-to-dos-attack-vivo-play-iptv-cve-2023-31893-b5ac45f38f",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit"
      ]
    },
    {
      "url": "https://www.cert.br/docs/whitepapers/dns-recursivo-aberto/",
      "source": "cve@mitre.org",
      "tags": [
        "Technical Description"
      ]
    }
  ]
}