CVE:CVE-2019-1727
CNNVD:CNNVD-201905-641
Cisco Nexus 3000 Series Switches等都是美国思科（Cisco）公司的产品。Cisco Nexus 3000 Series Switches是一款3000系列交换机。Cisco Nexus 3500 Platform Switches是一款3500系列平台交换机。Cisco MDS 9000 Series Multilayer Switches是一款MDS 9000系列多层交换机。Cisco NX-OS Software是一套交换机使用的数据中心级操作系统软件。
Cisco NX-OS Software中存在操作系统命令注入漏洞。该漏洞源于外部输入数据构造操作系统可执行命令过程中，网络系统或产品未正确过滤其中的特殊字符、命令等。攻击者可利用该漏洞执行非法操作系统命令。以下产品及版本受到影响：Cisco MDS 9000 Series Multilayer Switches；Nexus 3000 Series Switches；Nexus 3500 Platform Switches；Nexus 3600 Platform 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；Nexus 9500 R-Series Switching Platform。
solution:Upgrade cisco nx-os to a higher version than 8.1\(1b\,8.3\(1\,7.0\(3\i4\(8\,7.0\(3\i7\(3\,7.3\(4\n1\(1\,7.3\(3\d1\(1\,8.3\(1\,and avoid the version [5.2,8.1\(1b\)),[8.2,8.3\(1\)),[7.0\(3\)i4,7.0\(3\)i4\(8\)),[7.0\(3\)i5,7.0\(3\)i7\(3\)),[7.3,7.3\(4\)n1\(1\)),[6.2,7.3\(3\)d1\(1\)),[8.0,8.3\(1\))