CVE:CVE-2020-1847
CNNVD:CNNVD-202011-1384
Huawei NIP6300等都是中国华为（Huawei）公司的产品。Huawei NIP6300是一款主要适用于企业、学校、运行商、IDC的入侵防御系统。Huawei NIP6600是一款主要适用于企业、学校、运行商、IDC的入侵防御系统。Huawei Secospace USG6300是一款防火墙设备。
华为多款产品存在安全漏洞，该漏洞源于华为的部分产品存在拒绝服务漏洞。不存在针对特定协议攻击场景的保护。攻击者可利用该漏洞可以构建攻击场景，从而导致拒绝服务。以下产品及版本受到影响：NIP6300 versions V500R001C30,V500R001C60;NIP6600 versions V500R001C30,V500R001C60;Secospace USG6300 versions V500R001C30,V500R001C60;Secospace USG6500 versions V500R001C30,V500R001C60;Secospace USG6600 versions V500R001C30,V500R001C60;USG9500 versions V500R001C30,V500R001C60。
solution:Upgrade huawei nip6300_firmware to a higher version than v500r001c30,v500r001c60,and avoid the version v500r001c30,v500r001c60; Upgrade huawei nip6600_firmware to a higher version than v500r001c30,v500r001c60,and avoid the version v500r001c30,v500r001c60; Upgrade huawei secospace_usg6300_firmware to a higher version than v500r001c30,v500r001c60,and avoid the version v500r001c30,v500r001c60; Upgrade huawei secospace_usg6500_firmware to a higher version than v500r001c30,v500r001c60,and avoid the version v500r001c30,v500r001c60; Upgrade huawei secospace_usg6600_firmware to a higher version than v500r001c30,v500r001c60,and avoid the version v500r001c30,v500r001c60; Upgrade huawei usg9500_firmware to a higher version than v500r001c30,v500r001c60,and avoid the version v500r001c30,v500r001c60