CVE:CVE-2019-1892
CNNVD:CNNVD-201907-236
Cisco Small Business 200 Series Managed Switches等都是美国思科（Cisco）公司的产品。Cisco Small Business 200 Series Managed Switches是一款200系列管理型交换机。Cisco?Small Business 300 Series Managed Switches是一款300系列管理型交换机。Cisco?Small Business 500 Series Managed Switches是一款500系列管理型交换机。
Cisco Small Business 200、300和500 Series Managed Switches中的SSL输入数据包处理器存在缓冲区错误漏洞，该漏洞验证程序没有正确验证HTTPS数据包。远程攻击者可通过发送畸形的HTTPS数据包利用该漏洞损坏内存，导致拒绝服务。
solution:Upgrade cisco sf200-24_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf200-24p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf200-48_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf200-48p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg200-18_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg200-26_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg200-26p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg200-50_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg200-50p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-10_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-10mp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-10mpp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-10sfp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-10p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-10pp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-20_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-28_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-28p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-28pp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-28mp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-28sfp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-52_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-52p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg300-52mp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf300-08_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf302-08_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf302-08mp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf302-08p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf302-08pp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf302-08mpp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf300-24_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf300-24p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf300-24mp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf300-24pp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf300-48_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf300-48p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf300-48pp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf500-24_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf500-24p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf500-24mp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf500-48_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf500-48p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sf500-48mp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500-28_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500-28p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500-28mpp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500-52_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500-52p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500-52mp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500x-24_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500x24mpp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500x-48_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500x-48p_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500x-48mp_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco sg500xg8f8t_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco esw2-350g52dc_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6); Upgrade cisco esw2-550x48dc_firmware to a higher version than 1.4.10.6,and avoid the version (,1.4.10.6)