{
  "id": "CVE-2021-41638",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-06-24T12:15:08.203",
  "lastModified": "2022-07-01T16:54:44.490",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The authentication checks of the MELAG FTP Server in version 2.2.0.4 are incomplete, which allows a remote attacker to access local files only by using a valid username."
    },
    {
      "lang": "es",
      "value": "Unas comprobaciones de autenticaci\u00f3n de MELAG FTP Server en la versi\u00f3n 2.2.0.4 son incompletas, lo que permite a un atacante remoto acceder a archivos locales s\u00f3lo usando un nombre de usuario v\u00e1lido"
    }
  ],
  "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:H/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:melag:ftp_server:2.2.0.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "73A4A61A-BD6E-4547-9953-DC80557A253B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.securesystems.de/blog/advisory-and-exploitation-the-melag-ftp-server/",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    }
  ]
}