CVE:CVE-2021-21004
CNNVD:CNNVD-202106-1743
Phoenix Contact FL SWITCH是德国菲尼克斯电气（Phoenix Contact）公司的一款工业级以太网交换机。
Phoenix Contact FL SWITCH SMCS 存在安全漏洞，攻击者可利用该漏洞通过LLDP帧将恶意代码插入到web管理中，然后由客户端执行。
solution:Upgrade phoenixcontact fl_switch_smcs_16tx_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smcs_14tx/2fx_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smcs_14tx/2fx-sm_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smcs_8gt_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smcs_6gt/2sfp_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smcs_8tx-pn_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smcs_4tx-pn_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smcs_8tx_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smcs_6tx/2sfp_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smn_6tx/2pof-pn_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smn_8tx-pn_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smn_6tx/2fx_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_switch_smn_6tx/2fx_sm_firmware to a higher version than 4.70,and avoid the version (,4.70]; Upgrade phoenixcontact fl_nat_smn_8tx_firmware to a higher version than 4.63,and avoid the version (,4.63]; Upgrade phoenixcontact fl_nat_smn_8tx-m_firmware to a higher version than 4.63,and avoid the version (,4.63]