CVE-2025-40778

Estado: AplazadaAlta (8.6)—

Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Puntuación base: 8.6

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.67%
Percentil entre todas las CVEs puntuadas: 50
Fecha de la puntuación: 6/10/2026

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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access85 %
Impacto principalT1565.003 Runtime Data Manipulationimpact90 %
Impacto secundarioT1557.002 ARP Cache Poisoningcredential access · collection75 %

CVE en BIND (servicio DNS expuesto en red sin autenticación, AV:N/PR:N) permite inyectar registros falsificados en caché mediante respuestas manipuladas (CWE-349: improper validation), causando envenenamiento de datos en DNS (T1565.003: manipulación de datos de caché) y facilitando ataques de interc

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

Network Segmentation Limit Access to Resource Over Network Filter Network Traffic Vulnerability Scanning User Training Restrict File and Directory Permissions

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

ISC — Bind^AI

CWE

CWE-349

Referencias

JSON original (NVD)

Mostrar

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          "role": "CISA Coordinator",
          "options": [
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              "automatable": "yes"
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          "timestamp": "2025-11-07T04:56:12.747619Z"
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  "published": "2025-10-22T16:15:42.520",
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      "url": "https://kb.isc.org/docs/cve-2025-40778",
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  "lastModified": "2026-06-17T09:22:07.460",
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