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CVE-2026-32812

Estado: AnalizadaMedia (6.8)—

Admidio is an open-source user management solution. In versions 5.0.0 through 5.0.6, unrestricted URL fetch in the SSO Metadata API can result in SSRF and local file reads. The SSO Metadata fetch endpoint at modules/sso/fetch_metadata.php accepts an arbitrary URL via $_GET['url'], validates it only with PHP's FILTER_VALIDATE_URL, and passes it directly to file_get_contents(). FILTER_VALIDATE_URL accepts file://, http://, ftp://, data://, and php:// scheme URIs. An authenticated administrator can use this endpoint to read arbitrary local files via the file:// wrapper (Local File Read), reach internal services via http:// (SSRF), or fetch cloud instance metadata. The full response body is returned verbatim to the caller. This issue has been fixed in version 5.0.7.

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)

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-32812",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-32812",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-20T16:55:19.648121Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 4,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "Admidio",
          "product": "admidio",
          "versions": [
            {
              "status": "affected",
              "version": ">= 5.0.0, < 5.0.7"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-03-20T02:16:35.043",
  "references": [
    {
      "url": "https://github.com/Admidio/admidio/commit/f6b7a966abe4d75e9f707d665d7b4b5570e3185a",
      "tags": [
        "Patch"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/Admidio/admidio/releases/tag/v5.0.7",
      "tags": [
        "Product",
        "Release Notes"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/Admidio/admidio/security/advisories/GHSA-6j68-gcc3-mq73",
      "tags": [
        "Exploit",
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/Admidio/admidio/security/advisories/GHSA-6j68-gcc3-mq73",
      "tags": [
        "Exploit",
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-918"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Admidio is an open-source user management solution. In versions 5.0.0 through 5.0.6, unrestricted URL fetch in the SSO Metadata API can result in SSRF and local file reads. The SSO Metadata fetch endpoint at modules/sso/fetch_metadata.php accepts an arbitrary URL via $_GET['url'], validates it only with PHP's FILTER_VALIDATE_URL, and passes it directly to file_get_contents(). FILTER_VALIDATE_URL accepts file://, http://, ftp://, data://, and php:// scheme URIs. An authenticated administrator can use this endpoint to read arbitrary local files via the file:// wrapper (Local File Read), reach internal services via http:// (SSRF), or fetch cloud instance metadata. The full response body is returned verbatim to the caller. This issue has been fixed in version 5.0.7."
    },
    {
      "lang": "es",
      "value": "Admidio es una solución de gestión de usuarios de código abierto. En las versiones 5.0.0 a 5.0.6, la obtención de URL sin restricciones en la API de metadatos de SSO puede resultar en SSRF y lecturas de archivos locales. El endpoint de obtención de metadatos de SSO en modules/sso/fetch_metadata.php acepta una URL arbitraria a través de $_GET['url'], la valida solo con FILTER_VALIDATE_URL de PHP y la pasa directamente a file_get_contents(). FILTER_VALIDATE_URL acepta URIs con esquemas file://, http://, ftp://, data:// y php://. Un administrador autenticado puede usar este endpoint para leer archivos locales arbitrarios a través del wrapper file:// (Lectura de Archivo Local), alcanzar servicios internos a través de http:// (SSRF) u obtener metadatos de instancias en la nube. El cuerpo completo de la respuesta se devuelve textualmente al llamador. Este problema ha sido solucionado en la versión 5.0.7."
    }
  ],
  "lastModified": "2026-06-17T10:36:23.443",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:admidio:admidio:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4020E2FE-8E51-405F-86CB-DAAFBA7FD9B3",
              "versionEndExcluding": "5.0.7",
              "versionStartIncluding": "5.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security-advisories@github.com"
}