CVE-2023-20006highCWE-681

CVE-2023-20006: falha de alta gravidade em Cisco Adaptive Security Appliance (ASA) Software

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21Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 8.6epss 0.9%
Em resumo

Uma falha em firewalls Cisco ASA e FTD permite que atacantes enviem tráfego SSL/TLS especialmente construído que faz a reinicialização do hardware de criptografia do dispositivo, causando indisponibilidade temporária.

Detalhe técnico

Um erro de implementação no processamento de SSL/TLS com offloading de criptografia para hardware em Cisco ASA e FTD para Firepower 2100 Series permite que atacantes remotos não autenticados causem falha inesperada no motor criptográfico de hardware através de fluxos SSL/TLS malformados, resultando em reinicialização do dispositivo.

Resumo gerado e traduzido por IA a partir da descrição oficial.
A vulnerability in the hardware-based SSL/TLS cryptography functionality of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software for Cisco Firepower 2100 Series Appliances could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to an implementation error within the cryptographic functions for SSL/TLS traffic processing when they are offloaded to the hardware. An attacker could exploit this vulnerability by sending a crafted stream of SSL/TLS traffic to an affected device. A successful exploit could allow the attacker to cause an unexpected error in the hardware-based cryptography engine, which could cause the device to reload.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Produtos afetados
Cisco · Cisco Adaptive Security Appliance (ASA) SoftwareCisco · Cisco Firepower Threat Defense Software
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