CVE:CVE-2021-20987
CNNVD:CNNVD-202102-1204
Hilscher EtherNet/IP Core是德国Hilscher公司的一款以太网路由器。
Hilscher EtherNet/IP Core V2.13.0.21之前的V2版本存在缓冲区错误漏洞，该漏洞源于拒绝服务和内存破坏漏洞，导致通过网络注入代码或导致设备崩溃而无法恢复。
solution:Upgrade hilscher ethernet/ip_adapter_firmware to a higher version than 2.13.0.21,and avoid the version [2.0,2.13.0.21); Upgrade pepperl-fuchs wcs_firmware to a higher version than 1.2.1,and avoid the version (,1.2.1]; Upgrade pepperl-fuchs pxv100-f200-b25-v1d_firmware to a higher version than 1.10.0,and avoid the version (,1.10.0]; Upgrade pepperl-fuchs pxv100i-f200-b25-v1d_firmware to a higher version than 1.10.0,and avoid the version (,1.10.0]; Upgrade pepperl-fuchs pcv100-f200-b25-v1d-6011-6720_firmware to a higher version than 1.10.0,and avoid the version (,1.10.0]; Upgrade pepperl-fuchs pcv50-f200-b25-v1d_firmware to a higher version than 1.10.0,and avoid the version (,1.10.0]; Upgrade pepperl-fuchs pcv80-f200-b25-v1d_firmware to a higher version than 1.10.0,and avoid the version (,1.10.0]; Upgrade pepperl-fuchs pcv100-f200-b25-v1d-6011_firmware to a higher version than 1.10.0,and avoid the version (,1.10.0]