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CVE-2021-44076

Estado: ModificadaMedia (4.8)—

An issue was discovered in CrushFTP 9. The creation of a new user through the /WebInterface/UserManager/ interface allows an attacker, with access to the administration panel, to perform Stored Cross-Site Scripting (XSS). The payload can be executed in multiple scenarios, for example when the user's page appears in the Most Visited section of the page.

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)

Crushftp — Crushftp

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-44076",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 4.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.7
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2022-09-15T13:15:09.593",
  "references": [
    {
      "url": "https://labs.nettitude.com/blog/cve-2021-44076-cross-site-scripting-xss-in-crushftp/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.crushftp.com/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://labs.nettitude.com/blog/cve-2021-44076-cross-site-scripting-xss-in-crushftp/",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.crushftp.com/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in CrushFTP 9. The creation of a new user through the /WebInterface/UserManager/ interface allows an attacker, with access to the administration panel, to perform Stored Cross-Site Scripting (XSS). The payload can be executed in multiple scenarios, for example when the user's page appears in the Most Visited section of the page."
    },
    {
      "lang": "es",
      "value": "Se ha detectado un problema en CrushFTP 9. La creación de un nuevo usuario mediante la interfaz /WebInterface/UserManager/ permite a un atacante, con acceso al panel de administración, llevar a cabo un ataque de tipo Cross-Site Scripting (XSS) Almacenado. La carga útil puede ser ejecutado en múltiples escenarios, por ejemplo cuando la página del usuario aparece en la sección Most Visited de la página"
    }
  ],
  "lastModified": "2026-06-17T04:11:52.280",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:crushftp:crushftp:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FD6357D8-DD95-4CE4-88FC-1731FA78D5AF",
              "versionEndExcluding": "9.4.0_15",
              "versionStartIncluding": "9.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}