Cisco Nexus 9000 Series Fabric Switches Application Centric Infrastructure Mode Insecure Fabric Authentication Vulnerability

A vulnerability in the Transport Layer Security (TLS) certificate validation functionality of Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software could allow an unauthenticated, remote attacker to perform insecure TLS client authentication on an affected device. The vulnerability is due to insufficient TLS client certificate validations for certificates sent between the various components of an ACI fabric. An attacker who has possession of a certificate that is trusted by the Cisco Manufacturing CA and the corresponding private key could exploit this vulnerability by presenting a valid certificate while attempting to connect to the targeted device. An exploit could allow the attacker to gain full control of all other components within the ACI fabric of an affected device.

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证书验证不恰当

Cisco Nexus 9000 Series Switch 信任管理问题漏洞

Cisco Nexus 9000 Series Switches是美国思科（Cisco）公司的一款9000系列交换机。 使用14.1(1i)之前版本版本固件的Cisco Nexus 9000 Series Switch（处于Application Centric Infrastructure (ACI) Mode模式）中的Transport Layer Security (TLS)证书验证功能存在信任管理问题漏洞。该漏洞源于网络系统或产品中缺乏有效的信任管理机制。攻击者可利用默认密码或者硬编码密码、硬编码

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