CVE:CVE-2015-0775
CNNVD:CNNVD-201506-240
Cisco NX-OS on Nexus 4000 devices等和MDS 9000 devices是美国思科（Cisco）公司的一套运行于Nexus 4000等系列交换机设备和MDS 9000系列光纤交换机设备中的操作系统。
Cisco Nexus和MDS的Cisco NX-OS中的banner实现过程中存在安全漏洞。远程攻击者可通过在TELNET会话设置期间发送terminal-session请求利用该漏洞造成拒绝服务（登录进程重置）。以下产品及版本受到影响：运行Cisco NX-OS 4.1(2)E1(1f)版本的Cisco Nexus 4000 Series Switches，运行Cisco NX-OS 5.2(1)SV3(2.1)版本的Cisco Nexus 1000V Series Switches，运行Cisco NX-OS 6.0(2)N2(2)版本的Cisco Nexus 5000  Series Switches，运行Cisco NX-OS 6.2(11)版本的Cisco MDS 9000 Series Multilayer Switches，运行Cisco NX-OS 6.2(12)版本的Cisco Nexus 7000 Series Switches，运行Cisco NX-OS 7.0(3)版本的Cisco Nexus 9000 Series Switches，运行Cisco NX-OS 7.2(0)ZN(99.67)版本的Cisco Nexus 3000 Series Switches。
solution:Upgrade cisco nx-os to a higher version than 4.1(2e1(1f,7.2(0zn(99.67,6.0(2n2(2,6.2(12,and avoid the version 4.1(2)e1(1f),7.2(0)zn(99.67),6.0(2)n2(2),6.2(12); Upgrade cisco nexus_1000v to a higher version than -; Upgrade cisco mds_9000_nx-os to a higher version than 6.2(11,and avoid the version 6.2(11)