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CVE-2025-48879

Estado: AnalizadaMedia (6.5)—

OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attacker to send a manipulated broken multipart/form-data request to OctoPrint and through that make the web server component become unresponsive. The issue can be triggered by a broken multipart/form-data request lacking an end boundary to any of OctoPrint's endpoints implemented through the octoprint.server.util.tornado.UploadStorageFallbackHandler request handler. The request handler will get stuck in an endless busy loop, looking for a part of the request that will never come. As Tornado is single-threaded, that will effectively block the whole web server. The vulnerability has been patched in version 1.11.2.

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)

Octoprint — Octoprint

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2025-48879",
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          "id": "CVE-2025-48879",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
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          ],
          "version": "2.0.3",
          "timestamp": "2025-06-10T15:57:28.162115Z"
        }
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    "cvssMetricV31": [
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          "attackVector": "ADJACENT_NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
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  "published": "2025-06-10T16:15:41.513",
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      "value": "OctoPrint versions up until and including 1.11.1 contain a vulnerability that allows any unauthenticated attacker to send a manipulated broken multipart/form-data request to OctoPrint and through that make the web server component become unresponsive. The issue can be triggered by a broken multipart/form-data request lacking an end boundary to any of OctoPrint's endpoints implemented through the octoprint.server.util.tornado.UploadStorageFallbackHandler request handler. The request handler will get stuck in an endless busy loop, looking for a part of the request that will never come. As Tornado is single-threaded, that will effectively block the whole web server. The vulnerability has been patched in version 1.11.2."
    },
    {
      "lang": "es",
      "value": "Las versiones de OctoPrint hasta la 1.11.1 inclusive contienen una vulnerabilidad que permite a cualquier atacante no autenticado enviar una solicitud multipart/form-data manipulada y rota a OctoPrint, provocando así que el componente del servidor web deje de responder. El problema puede desencadenarse por una solicitud multipart/form-data rota que no tenga un límite final en ninguno de los endpoints de OctoPrint implementados mediante el controlador de solicitudes octoprint.server.util.tornado.UploadStorageFallbackHandler. El controlador de solicitudes se atascará en un bucle de actividad interminable, buscando una parte de la solicitud que nunca llegará. Dado que Tornado es de un solo subproceso, esto bloqueará efectivamente todo el servidor web. La vulnerabilidad se ha corregido en la versión 1.11.2."
    }
  ],
  "lastModified": "2026-06-17T09:30:25.317",
  "configurations": [
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