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CVE-2026-33305

Estado: AnalizadaMedia (5.4)—

OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0.2, an authorization bypass in the optional FaxSMS module (`oe-module-faxsms`) allows any authenticated OpenEMR user to invoke controller methods — including `getNotificationLog()`, which returns patient appointment data (PHI) — regardless of whether they hold the required ACL permissions. The `AppDispatch` constructor dispatches user-controlled actions and exits the process before any calling code can enforce ACL checks. Version 8.0.0.2 fixes the issue.

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)

Open-emr — Openemr

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2026-33305",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-33305",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-03-21T03:30:52.867142Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.5,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "openemr",
          "product": "openemr",
          "versions": [
            {
              "status": "affected",
              "version": "< 8.0.0.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-03-19T21:17:11.863",
  "references": [
    {
      "url": "https://github.com/openemr/openemr/commit/edb65936e259b2625e8eea4628316c4577cb2a11",
      "tags": [
        "Patch"
      ],
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/openemr/openemr/security/advisories/GHSA-r973-h5cq-35rc",
      "tags": [
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        "Vendor Advisory"
      ],
      "source": "security-advisories@github.com"
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-696"
        },
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenEMR is a free and open source electronic health records and medical practice management application. Prior to 8.0.0.2, an authorization bypass in the optional FaxSMS module (`oe-module-faxsms`) allows any authenticated OpenEMR user to invoke controller methods — including `getNotificationLog()`, which returns patient appointment data (PHI) — regardless of whether they hold the required ACL permissions. The `AppDispatch` constructor dispatches user-controlled actions and exits the process before any calling code can enforce ACL checks. Version 8.0.0.2 fixes the issue."
    },
    {
      "lang": "es",
      "value": "OpenEMR es una aplicación gratuita y de código abierto para registros de salud electrónicos y gestión de consultorios médicos. Antes de la versión 8.0.0.2, una omisión de autorización en el módulo opcional FaxSMS ('oe-module-faxsms') permite a cualquier usuario autenticado de OpenEMR invocar métodos de controlador — incluyendo 'getNotificationLog()', que devuelve datos de citas de pacientes (PHI) — independientemente de si poseen los permisos ACL requeridos. El constructor 'AppDispatch' despacha acciones controladas por el usuario y sale del proceso antes de que cualquier código de llamada pueda aplicar las comprobaciones ACL. La versión 8.0.0.2 corrige el problema."
    }
  ],
  "lastModified": "2026-06-17T10:37:17.440",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:open-emr:openemr:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C78F19AD-BD18-4F61-8B1C-DD099DBC6D34",
              "versionEndExcluding": "8.0.0.2"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "security-advisories@github.com"
}