CVE-2024-21762
Estado: AnalizadaCrítica (9.8)⚠ Explotación activa
A out-of-bounds write in Fortinet FortiOS versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.6, 7.0.0 through 7.0.13, 6.4.0 through 6.4.14, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiProxy versions 7.4.0 through 7.4.2, 7.2.0 through 7.2.8, 7.0.0 through 7.0.14, 2.0.0 through 2.0.13, 1.2.0 through 1.2.13, 1.1.0 through 1.1.6, 1.0.0 through 1.0.7 allows attacker to execute unauthorized code or commands via specifically crafted requests
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: 83%
- Percentil entre todas las CVEs puntuadas: 100
- 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).
CISA KEV — explotada activamente
- Añadida al catálogo: 9/2/2024
- Plazo de remediación: 16/2/2024
- Uso conocido en ransomware: Known
🎯 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
T1059Command and Scripting Interpreterexecution90 % - Impacto secundario
T1078Valid Accountsstealth · persistence · privilege escalation · initial access75 % - Impacto secundario
T1565.001Stored Data Manipulationimpact70 %
Out-of-bounds write (CWE-787) en servicio expuesto de red (AV:N, PR:N) permite ejecución de código no autorizado. Ransomware activo y criticidad refuerzan la cadena de explotación remota → RCE. Impactos: ejecución de comandos (primario), posible elevación via acceso a credenciales o manipulación de
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 (2)
CWE
- CWE-787
Referencias
JSON original (NVD)
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"value": "Una escritura fuera de los límites en Fortinet FortiOS versiones 7.4.0 a 7.4.2, 7.2.0 a 7.2.6, 7.0.0 a 7.0.13, 6.4.0 a 6.4.14, 6.2.0 a 6.2.15 , 6.0.0 a 6.0.17, y versiones de FortiProxy 7.4.0 a 7.4.2, 7.2.0 a 7.2.8, 7.0.0 a 7.0.14, 2.0.0 a 2.0.13, 1.2.0 a 1.2.13 , 1.1.0 a 1.1.6, 1.0.0 a 1.0.7. Permite al atacante ejecutar código o comandos no autorizados a través de solicitudes específicamente manipuladas"
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