CVE:CVE-2020-12523
CNNVD:CNNVD-202012-1302
Phoenix Contact Mguard是德国Phoenix Contac（Phoenix Contact）公司的一款应用于工业环境的防火墙设备。该设备具备多重防护模式、深度数据包检测技术、恶意软件及病毒检测技术。
Phoenix Contact mGuard Devices versions before 8.8.3 存在安全漏洞，该漏洞源于对于局域网端集成开关的mGuard设备，可以通过设备配置禁用单个开关端口。重新启动后，这些端口的功能与它们的配置设置无关:缺少资源初始化。
solution:Upgrade phoenixcontact tc_mguard_rs4000_4g_vzw_vpn_firmware to a higher version than 8.8.3,and avoid the version (,8.8.3); Upgrade phoenixcontact tc_mguard_rs4000_4g_att_vpn_firmware to a higher version than 8.8.3,and avoid the version (,8.8.3); Upgrade phoenixcontact fl_mguard_rs4004_tx/dtx_firmware to a higher version than 8.8.3,and avoid the version (,8.8.3); Upgrade phoenixcontact fl_mguard_rs4004_tx/dtx_vpn_firmware to a higher version than 8.8.3,and avoid the version (,8.8.3); Upgrade phoenixcontact tc_mguard_rs4000_3g_vpn_firmware to a higher version than -; Upgrade phoenixcontact tc_mguard_rs4000_4g_vpn_firmware to a higher version than 8.8.3,and avoid the version (,8.8.3); Upgrade phoenixcontact innominate_mguard_rs4000_4tx/tx_firmware to a higher version than 8.8.3,and avoid the version (,8.8.3); Upgrade phoenixcontact innominate_mguard_rs4000_4tx/tx_vpn_firmware to a higher version than 8.8.3,and avoid the version (,8.8.3); Upgrade phoenixcontact innominate_mguard_rs4000_4tx/3g/tx_vpn_firmware to a higher version than 8.8.3,and avoid the version (,8.8.3)