CVE:CVE-2018-0090
CNNVD:CNNVD-201801-629
Cisco Multilayer Director Switches等都是美国思科（Cisco）公司的交换机产品。Cisco NX-OS System Software是一套运行在交换机中的软件。
多款Cisco产品中的Cisco NX-OS System Software的管理界面访问控制列表(ACL)配置存在拒绝服务漏洞。远程攻击者可通过向管理界面发送特制的流量利用该漏洞绕过已配置的访问控制列表。以下产品受到影响：Cisco Multilayer Director Switches；Nexus 2000 Series Switches；Nexus 3000 Series Switches；Nexus 5500 Platform Switches；Nexus 5600 Platform Switches；Nexus 6000 Series Switches；Nexus 7000 Series Switches；Nexus 7700 Series Switches；Nexus 9000 Series Switches in standalone NX-OS mode。
solution:Upgrade cisco nx-os to a higher version than 7.3(2n1(0.6,8.3(0kms(0.31,8.8(3.5s0,and avoid the version 7.3(2)n1(0.6),8.3(0)kms(0.31),8.8(3.5)s0