CVE:CVE-2021-0209
CNNVD:CNNVD-202101-1112
Juniper Networks Junos OS和Junos OS Evolved都是美国瞻博网络（Juniper Networks）公司的产品。Juniper Networks Junos OS是一套专用于该公司的硬件设备的网络操作系统。该操作系统提供了安全编程接口和Junos SDK。Junos OS Evolved是Junos OS 的升级版系统。
Junos OS Evolved 存在缓冲区错误漏洞，攻击者可利用该漏洞使应用拒绝服务。以下产品及版本受到影响：Junos OS Evolved 19.4 versions prior to 19.4R2-S2-EVO; 20.1 versions prior to 20.1R1-S2-EVO, 20.1R2-S1-EVO. This issue does not affect Junos OS.
solution:Upgrade juniper junos_os_evolved to a higher version than 19.4:r1,19.4:r2,19.4:r2-s1,20.1,20.1:r1,20.1:r1-s1,and avoid the version 19.4:r1,19.4:r2,19.4:r2-s1,20.1,20.1:r1,20.1:r1-s1