CVE:CVE-2020-3119
CNNVD:CNNVD-202002-130
Cisco NX-OS Software是美国思科（Cisco）公司的一套交换机使用的数据中心级操作系统软件。
Cisco NX-OS Software中Cisco Discovery Protocol的实现存在缓冲区错误漏洞，该漏洞源于程序没有正确地验证输入。攻击者可通过发送恶意的Cisco Discovery Protocol数据包利用该漏洞执行任意代码或重新加载受影响的设备。
solution:Upgrade cisco nx-os to a higher version than 9.3\(2\,7.0\(3\i7\(8\,7.3\(6\n1\(1\,9.3\(2\,14.2\(1j\,and avoid the version [7.0\(3\)f2,9.3\(2\)),[7.0\(3\)i,7.0\(3\)i7\(8\)),[7.1,7.3\(6\)n1\(1\)),(,9.3\(2\)),[14.0,14.2\(1j\)); Upgrade cisco ucs_manager to a higher version than 3.2\(3m\,4.0\(4f\,and avoid the version (,3.2\(3m\)),[4.0,4.0\(4f\))