CVE:CVE-2021-0202
CNNVD:CNNVD-202101-1101
Juniper Networks MX Series and EX9200 Series 存在资源管理错误漏洞，攻击者可利用该漏洞通过Junos OS MX EX的MPC IRB创建内存泄漏，以触发拒绝服务。以下产品及版本受到影响：Juniper Networks Junos OS on MX Series, EX9200 Series: 17.3R3-S8; 17.4R3-S2; 18.2R3-S4, 18.2R3-S5; 18.3R3-S2, 18.3R3-S3; 18.4 versions starting from 18.4R3-S1 and later versions prior to 18.4R3-S6; 19.2 versions starting from 19.2R2 and later versions prior to 19.2R3-S1; 19.4 versions starting from 19.4R2 and later versions prior to 19.4R2-S3, 19.4R3; 20.2 versions starting from 20.2R1 and later versions prior to 20.2R1-S3, 20.2R2. This issue does not affect Juniper Networks Junos OS: 18.1, 19.1, 19.3, 20.1.
solution:Upgrade juniper junos to a higher version than 17.3:r3-s8,17.4:r3-s2,18.2:r3-s4,18.2:r3-s5,18.3:r3-s2,18.3:r3-s3,18.4:r3-s1,18.4:r3-s2,18.4:r3-s3,18.4:r3-s4,18.4:r3-s5,19.2:r2,19.2:r3,19.4:r2,19.4:r2-s1,19.4:r2-s2,20.2:r1,20.2:r1-s1,20.2:r1-s2,and avoid the version 17.3:r3-s8,17.4:r3-s2,18.2:r3-s4,18.2:r3-s5,18.3:r3-s2,18.3:r3-s3,18.4:r3-s1,18.4:r3-s2,18.4:r3-s3,18.4:r3-s4,18.4:r3-s5,19.2:r2,19.2:r3,19.4:r2,19.4:r2-s1,19.4:r2-s2,20.2:r1,20.2:r1-s1,20.2:r1-s2