VAR-202206-1828

Vulnerability from variot - Updated: 2024-08-14 15:06

A user enumeration vulnerability in MELAG FTP Server 2.2.0.4 allows an attacker to identify valid FTP usernames. melag of ftp server Exists in observable mismatch vulnerabilities.Information may be obtained. MELAG FTP Server is an FTP server of MELAG, Germany. The vulnerability arises from the fact that the program presents different responses to users and non-users

Show details on source website

{
  "@context": {
    "@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
    "affected_products": {
      "@id": "https://www.variotdbs.pl/ref/affected_products"
    },
    "credits": {
      "@id": "https://www.variotdbs.pl/ref/credits"
    },
    "cvss": {
      "@id": "https://www.variotdbs.pl/ref/cvss/"
    },
    "description": {
      "@id": "https://www.variotdbs.pl/ref/description/"
    },
    "exploit_availability": {
      "@id": "https://www.variotdbs.pl/ref/exploit_availability/"
    },
    "external_ids": {
      "@id": "https://www.variotdbs.pl/ref/external_ids/"
    },
    "iot": {
      "@id": "https://www.variotdbs.pl/ref/iot/"
    },
    "iot_taxonomy": {
      "@id": "https://www.variotdbs.pl/ref/iot_taxonomy/"
    },
    "patch": {
      "@id": "https://www.variotdbs.pl/ref/patch/"
    },
    "problemtype_data": {
      "@id": "https://www.variotdbs.pl/ref/problemtype_data/"
    },
    "references": {
      "@id": "https://www.variotdbs.pl/ref/references/"
    },
    "sources": {
      "@id": "https://www.variotdbs.pl/ref/sources/"
    },
    "sources_release_date": {
      "@id": "https://www.variotdbs.pl/ref/sources_release_date/"
    },
    "sources_update_date": {
      "@id": "https://www.variotdbs.pl/ref/sources_update_date/"
    },
    "threat_type": {
      "@id": "https://www.variotdbs.pl/ref/threat_type/"
    },
    "title": {
      "@id": "https://www.variotdbs.pl/ref/title/"
    },
    "type": {
      "@id": "https://www.variotdbs.pl/ref/type/"
    }
  },
  "@id": "https://www.variotdbs.pl/vuln/VAR-202206-1828",
  "affected_products": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/affected_products#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        },
        "@id": "https://www.variotdbs.pl/ref/sources"
      }
    },
    "data": [
      {
        "model": "ftp server",
        "scope": "eq",
        "trust": 2.4,
        "vendor": "melag",
        "version": "2.2.0.4"
      },
      {
        "model": "ftp server",
        "scope": null,
        "trust": 0.8,
        "vendor": "melag",
        "version": null
      },
      {
        "model": "ftp server",
        "scope": "eq",
        "trust": 0.8,
        "vendor": "melag",
        "version": null
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-019950"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-41634"
      }
    ]
  },
  "cve": "CVE-2021-41634",
  "cvss": {
    "@context": {
      "cvssV2": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/cvssV2"
      },
      "cvssV3": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/"
      },
      "severity": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/cvss/severity#"
        },
        "@id": "https://www.variotdbs.pl/ref/cvss/severity"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        },
        "@id": "https://www.variotdbs.pl/ref/sources"
      }
    },
    "data": [
      {
        "cvssV2": [
          {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "author": "nvd@nist.gov",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "exploitabilityScore": 10.0,
            "id": "CVE-2021-41634",
            "impactScore": 2.9,
            "integrityImpact": "NONE",
            "severity": "MEDIUM",
            "trust": 1.9,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "author": "CNVD",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "PARTIAL",
            "exploitabilityScore": 10.0,
            "id": "CNVD-2022-65337",
            "impactScore": 2.9,
            "integrityImpact": "NONE",
            "severity": "MEDIUM",
            "trust": 0.6,
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          }
        ],
        "cvssV3": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "author": "nvd@nist.gov",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "exploitabilityScore": 3.9,
            "id": "CVE-2021-41634",
            "impactScore": 1.4,
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "trust": 1.0,
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          {
            "attackComplexity": "Low",
            "attackVector": "Network",
            "author": "NVD",
            "availabilityImpact": "None",
            "baseScore": 5.3,
            "baseSeverity": "Medium",
            "confidentialityImpact": "Low",
            "exploitabilityScore": null,
            "id": "CVE-2021-41634",
            "impactScore": null,
            "integrityImpact": "None",
            "privilegesRequired": "None",
            "scope": "Unchanged",
            "trust": 0.8,
            "userInteraction": "None",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.0"
          }
        ],
        "severity": [
          {
            "author": "nvd@nist.gov",
            "id": "CVE-2021-41634",
            "trust": 1.0,
            "value": "MEDIUM"
          },
          {
            "author": "NVD",
            "id": "CVE-2021-41634",
            "trust": 0.8,
            "value": "Medium"
          },
          {
            "author": "CNVD",
            "id": "CNVD-2022-65337",
            "trust": 0.6,
            "value": "MEDIUM"
          },
          {
            "author": "CNNVD",
            "id": "CNNVD-202206-2470",
            "trust": 0.6,
            "value": "MEDIUM"
          },
          {
            "author": "VULMON",
            "id": "CVE-2021-41634",
            "trust": 0.1,
            "value": "MEDIUM"
          }
        ]
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-41634"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-019950"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202206-2470"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-41634"
      }
    ]
  },
  "description": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/description#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "A user enumeration vulnerability in MELAG FTP Server 2.2.0.4 allows an attacker to identify valid FTP usernames. melag of ftp server Exists in observable mismatch vulnerabilities.Information may be obtained. MELAG FTP Server is an FTP server of MELAG, Germany. The vulnerability arises from the fact that the program presents different responses to users and non-users",
    "sources": [
      {
        "db": "NVD",
        "id": "CVE-2021-41634"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-019950"
      },
      {
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-41634"
      }
    ],
    "trust": 2.25
  },
  "external_ids": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/external_ids#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "db": "NVD",
        "id": "CVE-2021-41634",
        "trust": 3.9
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-019950",
        "trust": 0.8
      },
      {
        "db": "CNVD",
        "id": "CNVD-2022-65337",
        "trust": 0.6
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202206-2470",
        "trust": 0.6
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-41634",
        "trust": 0.1
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-41634"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-019950"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202206-2470"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-41634"
      }
    ]
  },
  "id": "VAR-202206-1828",
  "iot": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/iot#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": true,
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      }
    ],
    "trust": 1.6
  },
  "iot_taxonomy": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/iot_taxonomy#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "category": [
          "Network device"
        ],
        "sub_category": null,
        "trust": 0.6
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      }
    ]
  },
  "last_update_date": "2024-08-14T15:06:17.398000Z",
  "patch": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/patch#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "title": "Patch for MELAG FTP Server User Enumeration Vulnerability",
        "trust": 0.6,
        "url": "https://www.cnvd.org.cn/patchInfo/show/352896"
      },
      {
        "title": "MELAG FTP Server Security vulnerabilities",
        "trust": 0.6,
        "url": "http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=198628"
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202206-2470"
      }
    ]
  },
  "problemtype_data": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "problemtype": "CWE-203",
        "trust": 1.0
      },
      {
        "problemtype": "Observable discrepancy (CWE-203) [NVD evaluation ]",
        "trust": 0.8
      }
    ],
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-019950"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-41634"
      }
    ]
  },
  "references": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/references#",
      "data": {
        "@container": "@list"
      },
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": [
      {
        "trust": 3.1,
        "url": "https://www.securesystems.de/blog/advisory-and-exploitation-the-melag-ftp-server/"
      },
      {
        "trust": 0.8,
        "url": "https://nvd.nist.gov/vuln/detail/cve-2021-41634"
      },
      {
        "trust": 0.6,
        "url": "https://cxsecurity.com/cveshow/cve-2021-41634/"
      },
      {
        "trust": 0.1,
        "url": "https://cwe.mitre.org/data/definitions/203.html"
      },
      {
        "trust": 0.1,
        "url": "https://nvd.nist.gov"
      }
    ],
    "sources": [
      {
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-41634"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-019950"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202206-2470"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-41634"
      }
    ]
  },
  "sources": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      },
      {
        "db": "VULMON",
        "id": "CVE-2021-41634"
      },
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-019950"
      },
      {
        "db": "CNNVD",
        "id": "CNNVD-202206-2470"
      },
      {
        "db": "NVD",
        "id": "CVE-2021-41634"
      }
    ]
  },
  "sources_release_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2022-09-23T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      },
      {
        "date": "2022-06-24T00:00:00",
        "db": "VULMON",
        "id": "CVE-2021-41634"
      },
      {
        "date": "2023-08-29T00:00:00",
        "db": "JVNDB",
        "id": "JVNDB-2021-019950"
      },
      {
        "date": "2022-06-24T00:00:00",
        "db": "CNNVD",
        "id": "CNNVD-202206-2470"
      },
      {
        "date": "2022-06-24T12:15:07.990000",
        "db": "NVD",
        "id": "CVE-2021-41634"
      }
    ]
  },
  "sources_update_date": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
      "data": {
        "@container": "@list"
      }
    },
    "data": [
      {
        "date": "2022-09-23T00:00:00",
        "db": "CNVD",
        "id": "CNVD-2022-65337"
      },
      {
        "date": "2022-07-01T00:00:00",
        "db": "VULMON",
        "id": "CVE-2021-41634"
      },
      {
        "date": "2023-08-29T08:05:00",
        "db": "JVNDB",
        "id": "JVNDB-2021-019950"
      },
      {
        "date": "2022-07-04T00:00:00",
        "db": "CNNVD",
        "id": "CNNVD-202206-2470"
      },
      {
        "date": "2022-07-01T16:37:42.750000",
        "db": "NVD",
        "id": "CVE-2021-41634"
      }
    ]
  },
  "threat_type": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/threat_type#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "remote",
    "sources": [
      {
        "db": "CNNVD",
        "id": "CNNVD-202206-2470"
      }
    ],
    "trust": 0.6
  },
  "title": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/title#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "melag\u00a0 of \u00a0ftp\u00a0server\u00a0 Vulnerability regarding observable inconsistencies in",
    "sources": [
      {
        "db": "JVNDB",
        "id": "JVNDB-2021-019950"
      }
    ],
    "trust": 0.8
  },
  "type": {
    "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/type#",
      "sources": {
        "@container": "@list",
        "@context": {
          "@vocab": "https://www.variotdbs.pl/ref/sources#"
        }
      }
    },
    "data": "other",
    "sources": [
      {
        "db": "CNNVD",
        "id": "CNNVD-202206-2470"
      }
    ],
    "trust": 0.6
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…