CVE-2026-47837
Missing Authentication for Critical Function vulnerability in Spring Spring Cloud Config allows Webhook requests to Spring Cloud Config Server's /monitor endpoint are not validated.
This issue affects Spring Cloud Config: from 5.0.0 through 5.0.4, from 4.3.0 through 4.3.4, from 4.0.0 through 4.2.8, and through 3.1.14.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.55%
- Percentil entre todas las CVEs puntuadas: 44
- Fecha de la puntuación: 5/10/2026
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.
- Explotación
T1190Exploit Public-Facing Applicationinitial access95 % - Impacto principal
T1078Valid Accountsstealth · persistence · privilege escalation · initial access85 % - Impacto secundario
T1059Command and Scripting Interpreterexecution80 %
CWE-306 (falta de autenticación) en endpoint web sin credenciales requeridas permite acceso no autenticado a /monitor; vector AV:N/AC:L/PR:N/UI:N evidencia explotación remota sin privilegios previos (T1190). Webhook no validados permiten inyección de credenciales (T1078) o ejecución de código (T1059
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
- CWE-306
Referencias
JSON original (NVD)
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