{
  "id": "CVE-2020-25107",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-12-11T23:15:14.260",
  "lastModified": "2020-12-15T01:12:28.070",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in the DNS implementation in Ethernut in Nut/OS 5.1. There is no check on whether a domain name has '\\0' termination. This may lead to successful Denial-of-Service, and possibly Remote Code Execution."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en la implementaci\u00f3n de DNS en Ethernut en Nut/OS versi\u00f3n 5.1. No se comprueba si un nombre de dominio presenta terminaci\u00f3n '\\ 0'. Esto puede conllevar a una Denegaci\u00f3n de Servicio con \u00e9xito y posiblemente a una ejecuci\u00f3n de c\u00f3digo remota"
    }
  ],
  "metrics": {
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        "type": "Primary",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
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        "type": "Primary",
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          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:ethernut:nut\\/os:*:*:*:*:*:*:*:*",
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  "references": [
    {
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
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      "url": "https://www.kb.cert.org/vuls/id/815128",
      "source": "cve@mitre.org",
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}