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CVE-2025-27415

Estado: AnalizadaAlta (7.5)—

Nuxt is an open-source web development framework for Vue.js. Prior to 3.16.0, by sending a crafted HTTP request to a server behind an CDN, it is possible in some circumstances to poison the CDN cache and highly impacts the availability of a site. It is possible to craft a request, such as https://mysite.com/?/_payload.json which will be rendered as JSON. If the CDN in front of a Nuxt site ignores the query string when determining whether to cache a route, then this JSON response could be served to future visitors to the site.

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An attacker can perform this attack to a vulnerable site in order to make a site unavailable indefinitely. It is also possible in the case where the cache will be reset to make a small script to send a request each X seconds (=caching duration) so that the cache is permanently poisoned making the site completely unavailable. This vulnerability is fixed in 3.16.0.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Vulnerabilidad en aplicación web expuesta (Nuxt) explotada vía HTTP malformado para envenenar caché CDN, causando DoS mediante denegación de servicio de aplicación.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

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      "value": "Nuxt is an open-source web development framework for Vue.js. Prior to 3.16.0, by sending a crafted HTTP request to a server behind an CDN, it is possible in some circumstances to poison the CDN cache and highly impacts the availability of a site. It is possible to craft a request, such as https://mysite.com/?/_payload.json which will be rendered as JSON. If the CDN in front of a Nuxt site ignores the query string when determining whether to cache a route, then this JSON response could be served to future visitors to the site. An attacker can perform this attack to a vulnerable site in order to make a site unavailable indefinitely. It is also possible in the case where the cache will be reset to make a small script to send a request each X seconds (=caching duration) so that the cache is permanently poisoned making the site completely unavailable. This vulnerability is fixed in 3.16.0."
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      "value": "Nuxt es un framework de desarrollo web de código abierto para Vue.js. Antes de la versión 3.16.0, al enviar una solicitud HTTP manipulada a un servidor tras una CDN, era posible, en ciertas circunstancias, contaminar la caché de la CDN, lo que afectaba gravemente la disponibilidad de un sitio. Es posible manipular una solicitud, como https://mysite.com/?/_payload.json, que se renderizaría como JSON. Si la CDN frente a un sitio Nuxt ignora la cadena de consulta al determinar si se debe almacenar en caché una ruta, esta respuesta JSON podría enviarse a futuros visitantes del sitio. Un atacante puede realizar este ataque a un sitio vulnerable para inhabilitarlo indefinidamente. También es posible, si se restablece la caché, crear un pequeño script que envíe una solicitud cada X segundos (= duración de la caché), de modo que la caché se inutilice permanentemente, dejando el sitio completamente indisponible. Esta vulnerabilidad se corrigió en la versión 3.16.0."
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  "lastModified": "2026-06-17T09:03:32.660",
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