{
  "id": "CVE-2020-21005",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-06-03T14:15:08.613",
  "lastModified": "2021-06-11T17:04:04.640",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "WellCMS 2.0 beta3 is vulnerable to File Upload. A user can log in to the CMS background and upload a picture. Because the upload file type is controllable, the user can modify the upload file type to get webshell."
    },
    {
      "lang": "es",
      "value": "WellCMS versi\u00f3n 2.0 beta3 es vulnerable a una Carga de Archivos. Un usuario puede entrar en el fondo del CMS y subir una imagen. Debido a que el tipo de archivo cargado es controlable, el usuario puede modificar el tipo de archivo cargado para obtener webshell"
    }
  ],
  "metrics": {
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      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "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-434"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
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  "references": [
    {
      "url": "http://www.wellcms.cn/read-27.html&&",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://github.com/Computer2200/-/issues/4",
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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  ]
}