{
  "id": "CVE-2021-40540",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-09-07T02:15:07.130",
  "lastModified": "2021-09-16T16:00:47.267",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "ulfius_uri_logger in Ulfius HTTP Framework before 2.7.4 omits con_info initialization and a con_info->request NULL check for certain malformed HTTP requests."
    },
    {
      "lang": "es",
      "value": "la funci\u00f3n ulfius_uri_logger en Ulfius HTTP Framework antes de la versi\u00f3n 2.7.4 omite la inicializaci\u00f3n de con_info y la comprobaci\u00f3n de con_info-)request NULL para determinadas peticiones HTTP malformadas"
    }
  ],
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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"
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        "exploitabilityScore": 3.9,
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          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
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          "baseScore": 7.5
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        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
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        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
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          "operator": "OR",
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          "cpeMatch": [
            {
              "vulnerable": true,
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  "references": [
    {
      "url": "http://packetstormsecurity.com/files/164152/Ulfius-Web-Framework-Remote-Memory-Corruption.html",
      "source": "cve@mitre.org",
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      "url": "https://github.com/babelouest/ulfius/compare/v2.7.3...v2.7.4",
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        "Third Party Advisory"
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}