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CVE-2021-1504

Status: ModifiedHigh (7.5)—

Multiple vulnerabilities in Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. These vulnerabilities are due to lack of proper input validation of the HTTPS request. An attacker could exploit these vulnerabilities by sending a crafted HTTPS request to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Note: This vulnerability affects only specific AnyConnect and WebVPN configurations. For more information, see the Vulnerable Products section.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Cisco — Adaptive Security Appliance SoftwareCisco — Secure Firewall Threat Defense

CWEs

References

Raw JSON (NVD)

Show
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    },
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      "value": "Múltiples vulnerabilidades en el software Cisco Adaptive Security Appliance (ASA) y el software Firepower Threat Defense (FTD), podrían permitir a un atacante remoto no autenticado causar una condición de denegación de servicio (DoS) en un dispositivo afectado. Estas vulnerabilidades son debido a una falta de comprobación de entrada apropiada de la petición HTTPS. Un atacante podría explotar estas vulnerabilidades mediante el envío de una petición HTTPS diseñada hacia un dispositivo afectado. Una explotación con éxito podría permitir al atacante causar que el dispositivo afectado se recargue, resultando en una condición DoS. Nota: Esta vulnerabilidad afecta solo a configuraciones específicas de AnyConnect y WebVPN. Para obtener más información, consulte la sección Productos vulnerables"
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