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CVE-2020-11708

Estado: ModificadaCrítica (9.8)—

An issue was discovered in ProVide (formerly zFTPServer) through 13.1. Privilege escalation can occur via the /ajax/SetUserInfo messages parameter because of the EXECUTE() feature, which is for executing programs when certain events are triggered.

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-2020-11708",
  "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": "2020-04-12T03:15:11.180",
  "references": [
    {
      "url": "https://github.com/belong2yourself/vulnerabilities/tree/master/ProVide/Web%20Admin%20Interface%20-%20Privilege%20Escalation%20via%20EXECUTE%28%29",
      "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-%20Privilege%20Escalation%20via%20EXECUTE%28%29",
      "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-269"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in ProVide (formerly zFTPServer) through 13.1. Privilege escalation can occur via the /ajax/SetUserInfo messages parameter because of the EXECUTE() feature, which is for executing programs when certain events are triggered."
    },
    {
      "lang": "es",
      "value": "Se detectó un problema en ProVide (anteriormente zFTPServer) versiones hasta 13.1. Una escalada de privilegios puede presentarse por medio del parámetro messages del archivo /ajax/SetUserInfo debido a la funcionalidad EXECUTE(), que es para ejecutar programas cuando determinados eventos son activados."
    }
  ],
  "lastModified": "2026-06-17T02:50:39.437",
  "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"
}