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CVE-2020-11705

Estado: ModificadaCrítica (9.8)—

An issue was discovered in ProVide (formerly zFTPServer) through 13.1. /ajax/ImportCertificate allows an attacker to load an arbitrary certificate in .pfx format or overwrite arbitrary files via the fileName parameter.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Provideserver — Provide FTP Server

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-11705",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-04-12T03:15:11.007",
  "references": [
    {
      "url": "https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Web%20Admin%20Interface%20-%20Authenticated%20Arbitrary%20File%20Overwrite",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.provideserver.com/security/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Web%20Admin%20Interface%20-%20Authenticated%20Arbitrary%20File%20Overwrite",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.provideserver.com/security/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in ProVide (formerly zFTPServer) through 13.1. /ajax/ImportCertificate allows an attacker to load an arbitrary certificate in .pfx format or overwrite arbitrary files via the fileName parameter."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en ProVide (anteriormente zFTPServer) versiones hasta 13.1. El archivo /ajax/ImportCertificate, permite a un atacante cargar un certificado arbitrario en formato .pfx o sobrescribir archivos arbitrarios por medio del parámetro fileName."
    }
  ],
  "lastModified": "2026-06-17T02:50:39.080",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:provideserver:provide_ftp_server:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E09F4F40-785A-49C1-ABC9-702E36BD35E3",
              "versionEndIncluding": "13.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}