CVE:CVE-2021-22321
CNNVD:CNNVD-202103-1277
Huawei S2700等都是中国华为（Huawei）公司的产品。S2700是一款企业级交换机产品。USG9500是一款数据中心防火墙产品。USG6600是一款数据中防火墙产品。
Huawei 多款产品存在安全漏洞，攻击者可利用该漏洞执行恶意操作，导致内存闲置后使用，影响正常服务。以下产品及版本收到影响：NIP6300, NIP6600, NIP6800, S1700, S2700, S5700, S6700 , S7700, S9700, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500。
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,and avoid the version v500r001c30; Upgrade huawei nip6800_firmware to a higher version than v500r001c60,and avoid the version v500r001c60; Upgrade huawei s12700_firmware to a higher version than v200r007c01,v200r007c01b102,v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10,and avoid the version v200r007c01,v200r007c01b102,v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10; Upgrade huawei s1700_firmware to a higher version than v200r009c00spc200,v200r009c00spc500,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10,and avoid the version v200r009c00spc200,v200r009c00spc500,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10; Upgrade huawei s2700_firmware to a higher version than v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10,and avoid the version v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10; Upgrade huawei s5700_firmware to a higher version than v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10,v200r011c10spc100,and avoid the version v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10,v200r011c10spc100; Upgrade huawei s6700_firmware to a higher version than v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10,v200r011c10spc100,and avoid the version v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10,v200r011c10spc100; Upgrade huawei s7700_firmware to a higher version than v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10,and avoid the version v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10; Upgrade huawei s9700_firmware to a higher version than v200r007c01,v200r007c01b102,v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10,and avoid the version v200r007c01,v200r007c01b102,v200r008c00,v200r010c00,v200r010c00spc300,v200r011c00,v200r011c00spc100,v200r011c10; 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