CVE:CVE-2018-0293
CNNVD:CNNVD-201806-1054
Cisco Nexus 2000 Series Switches等都是美国思科（Cisco）公司的产品。Cisco Nexus 2000 Series Switches等都是交换机设备。Fabric Modules是一款交换机矩阵模块。NX-OS Software是运行在其中的一套交换机使用的数据中心级操作系统软件。role-based access control（RBAC）是其中的一个基于角色的访问控制组件。
多款Cisco产品中的NX-OS Software的RBAC存在提权漏洞，该漏洞源于程序为CLI命令分配了不正确的RBAC权限。远程攻击者可通过对设备进行身份验证利用该漏洞执行被限制的CLI命令。以下产品受到影响：Cisco MDS 9000 Series Multilayer Switches；Nexus 2000 Series 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（在standalone NX-OS模式下）；Nexus 9500 R-Series Line Cards and Fabric Modules。
solution:Upgrade cisco nx-os to a higher version than 7.3\(3\n1\(1\,7.3(2n1(0.395,8.1(0.112s0,7.0\(3\i7\(1\,7.0\(3\i7\(2\,8.1\(1\,and avoid the version [6.0,7.3\(3\)n1\(1\)),7.3(2)n1(0.395),8.1(0.112)s0,[7.0\(3\)i4,7.0\(3\)i7\(1\)),[6.0,7.0\(3\)i7\(2\)),[5.2,8.1\(1\))