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CVE-2020-3259

Estado: AnalizadaAlta (7.5)⚠ Explotación activa

A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to retrieve memory contents on an affected device, which could lead to the disclosure of confidential information. The vulnerability is due to a buffer tracking issue when the software parses invalid URLs that are requested from the web services interface. An attacker could exploit this vulnerability by sending a crafted GET request to the web services interface.

Leer descripción completaMostrar menos

A successful exploit could allow the attacker to retrieve memory contents, which could lead to the disclosure of confidential information. Note: This vulnerability affects only specific AnyConnect and WebVPN configurations. For more information, see the Vulnerable Products section.

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).

CISA KEV — explotada activamente

🎯 Técnicas ATT&CK

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

AV:N/AC:L/PR:N sin interacción del usuario: explotación directa de interfaz web (T1190). Buffer tracking permite lectura de memoria (T1005) revelando información confidencial.

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 ScanningPrivileged Account ManagementNetwork SegmentationLimit Access to Resource Over NetworkFilter Network TrafficApplication Isolation and Sandboxing

Tecnologías afectadas (2)

Cisco — Adaptive Security Appliance SoftwareCisco — Secure Firewall Threat Defense

CWE

Referencias

JSON original (NVD)

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      "value": "A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to retrieve memory contents on an affected device, which could lead to the disclosure of confidential information. The vulnerability is due to a buffer tracking issue when the software parses invalid URLs that are requested from the web services interface. An attacker could exploit this vulnerability by sending a crafted GET request to the web services interface. A successful exploit could allow the attacker to retrieve memory contents, which could lead to the disclosure of confidential information. Note: This vulnerability affects only specific AnyConnect and WebVPN configurations. For more information, see the Vulnerable Products section."
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      "value": "Una vulnerabilidad en la interfaz de servicios web del Cisco Adaptive Security Appliance (ASA) Software y el Cisco Firepower Threat Defense (FTD) Software, podría permitir a un atacante remoto no autenticado recuperar contenido de la memoria sobre un dispositivo afectado, lo que podría conducir a la divulgación de información confidencial . La vulnerabilidad es debido a un problema de rastreo del búfer cuando el software analiza las URL no válidas que son solicitadas desde la interfaz de servicios web. Un atacante podría explotar esta vulnerabilidad mediante el envío de una petición GET diseñada hacia la interfaz de servicios web. Una explotación con éxito podría permitir a un atacante recuperar el contenido de la memoria, lo que podría conllevar a la divulgación de información confidencial. Nota: Esta vulnerabilidad solo afecta a configuraciones específicas de AnyConnect y WebVPN. Para más información, consulte la sección Vulnerable Products."
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