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CVE-2025-24015

Estado: AnalizadaAlta (7.7)—

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Versions 1.46.0 through 2.1.6 have an issue that affects AES-256-GCM and AES-128-GCM in Deno in which the authentication tag is not being validated. This means tampered ciphertexts or incorrect keys might not be detected, which breaks the guarantees expected from AES-GCM. Older versions of Deno correctly threw errors in such cases, as does Node.js. Without authentication tag verification, AES-GCM degrades to essentially CTR mode, removing integrity protection. Authenticated data set with set_aad is also affected, as it is incorporated into the GCM hash (ghash) but this too is not validated, rendering AAD checks ineffective. Version 2.1.7 includes a patch that addresses this 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).

🎯 Técnicas ATT&CK

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

AES-GCM sin validación de autenticación en Deno permite manipular datos cifrados sin detección (VI:H). Acceso de red sin autenticación (AV:N/PR:N) indica explotación remota de aplicación expuesta. Los impactos son manipulación de datos cifrados y bypass de integridad de software.

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

Vulnerability ScanningRestrict File and Directory PermissionsPrivileged Account ManagementRemote Data StorageNetwork SegmentationLimit Access to Resource Over Network

Tecnologías afectadas (1)

Deno — Deno

CWE

Referencias

JSON original (NVD)

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      "value": "Deno is a JavaScript, TypeScript, and WebAssembly runtime. Versions 1.46.0 through 2.1.6 have an issue that affects AES-256-GCM and AES-128-GCM in Deno in which the authentication tag is not being validated. This means tampered ciphertexts or incorrect keys might not be detected, which breaks the guarantees expected from AES-GCM. Older versions of Deno correctly threw errors in such cases, as does Node.js. Without authentication tag verification, AES-GCM degrades to essentially CTR mode, removing integrity protection. Authenticated data set with set_aad is also affected, as it is incorporated into the GCM hash (ghash) but this too is not validated, rendering AAD checks ineffective. Version 2.1.7 includes a patch that addresses this issue."
    },
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      "value": "Deno es un entorno de ejecución de JavaScript, TypeScript y WebAssembly con valores predeterminados seguros. Las versiones 1.46.0 a 2.1.6 presentan un problema que afecta a AES-256-GCM y AES-128-GCM en Deno, donde la etiqueta de autenticación no se valida. Esto implica que podrían no detectarse textos cifrados alterados o claves incorrectas, lo que incumple las garantías esperadas de AES-GCM. Las versiones anteriores de Deno, al igual que Node.js, generaban errores correctamente en estos casos. Sin la verificación de la etiqueta de autenticación, AES-GCM se degrada al modo CTR, eliminando la protección de integridad. El conjunto de datos autenticado con set_aad también se ve afectado, ya que se incorpora al hash de GCM (ghash), pero este tampoco se valida, lo que inutiliza las comprobaciones de AAD. La versión 2.1.7 incluye un parche que soluciona este problema."
    }
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  "lastModified": "2026-06-17T08:57:53.560",
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