CVE:CVE-2022-20697
CNNVD:CNNVD-202204-3301
Cisco IOS XE Software是美国思科（Cisco）公司的一个操作系统。用于企业有线和无线访问，汇聚，核心和WAN的单一操作系统，Cisco IOS XE降低了业务和网络的复杂性。
Cisco IOS XE存在安全漏洞，该漏洞源于通过HTTP服务器，以触发拒绝服务。
solution:Upgrade cisco ios to a higher version than 15.1(3svr1,15.1(3svr2,15.1(3svr3,15.1(3svs,15.1(3svs1,15.1(3svt1,15.1(3svt2,15.1(3svt3,15.1(3svu1,15.1(3svu2,15.1(3svu10,15.1(3svv1,15.2(7e3,15.2(7e3a,15.2(7e3k,15.2(7e4,15.2(8e,15.2(234ke,15.3(3jk100,15.3(3jpj8,15.9(3m2,15.9(3m2a,15.9(3m3,15.9(3m3a,15.9(3m3b,15.9(3m4,and avoid the version 15.1(3)svr1,15.1(3)svr2,15.1(3)svr3,15.1(3)svs,15.1(3)svs1,15.1(3)svt1,15.1(3)svt2,15.1(3)svt3,15.1(3)svu1,15.1(3)svu2,15.1(3)svu10,15.1(3)svv1,15.2(7)e3,15.2(7)e3a,15.2(7)e3k,15.2(7)e4,15.2(8)e,15.2(234k)e,15.3(3)jk100,15.3(3)jpj8,15.9(3)m2,15.9(3)m2a,15.9(3)m3,15.9(3)m3a,15.9(3)m3b,15.9(3)m4; Upgrade cisco ios_xe to a higher version than 3.11.3ae,3.11.3e,3.11.4e,and avoid the version 3.11.3ae,3.11.3e,3.11.4e