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CVE-2024-20351

Estado: AnalizadaAlta (7.5)—

A vulnerability in the TCP/IP traffic handling function of the Snort Detection Engine of Cisco Firepower Threat Defense (FTD) Software and Cisco FirePOWER Services could allow an unauthenticated, remote attacker to cause legitimate network traffic to be dropped, resulting in a denial of service (DoS) condition.

This vulnerability is due to the improper handling of TCP/IP network traffic. An attacker could exploit this vulnerability by sending a large amount of TCP/IP network traffic through the affected device. A successful exploit could allow the attacker to cause the Cisco FTD device to drop network traffic, resulting in a DoS condition. The affected device must be rebooted to resolve the DoS condition.

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.

Red remota sin autenticación (AV:N PR:N) causa DoS por tráfico TCP/IP masivo en motor Snort de FTD; T1499.004 (exhaustión de aplicación) es el impacto específico.

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)

Mostrar
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      "value": "Una vulnerabilidad en la función de manejo de tráfico TCP/IP del motor de detección Snort del software Cisco Firepower Threat Defense (FTD) y los servicios Cisco FirePOWER podría permitir que un atacante remoto no autenticado provoque la pérdida de tráfico legítimo de la red, lo que daría lugar a una condición de denegación de servicio (DoS). Esta vulnerabilidad se debe a un manejo inadecuado del tráfico de red TCP/IP. Un atacante podría aprovechar esta vulnerabilidad enviando una gran cantidad de tráfico de red TCP/IP a través del dispositivo afectado. Una explotación exitosa podría permitir al atacante hacer que el dispositivo Cisco FTD pierda tráfico de red, lo que daría lugar a una condición de denegación de servicio (DoS). El dispositivo afectado debe reiniciarse para resolver la condición de denegación de servicio."
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  "lastModified": "2026-08-11T19:40:47.230",
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