CVE:CVE-2021-33044
CNNVD:CNNVD-202109-1080
Dahua  IPC是中国大华（Dahua）公司的大华的一系列工控机。
Dahua  IPC存在安全漏洞，攻击者可利用该漏洞通过构造恶意数据包绕过设备身份验证
solution:Upgrade dahuasecurity ipc-hum7xxx_firmware to a higher version than 2.820.0000000.5.r.210705,and avoid the version (,2.820.0000000.5.r.210705); Upgrade dahuasecurity ipc-hx3xxx_firmware to a higher version than 2.800.0000000.29.r.210630,and avoid the version (,2.800.0000000.29.r.210630); Upgrade dahuasecurity ipc-hx5xxx_firmware to a higher version than 2.820.0000000.18.r.210705,and avoid the version (,2.820.0000000.18.r.210705); Upgrade dahuasecurity sd1a1_firmware to a higher version than 2.812.0000007.0.r.210706,and avoid the version (,2.812.0000007.0.r.210706); Upgrade dahuasecurity sd22_firmware to a higher version than 2.812.0000007.0.r.210706,and avoid the version (,2.812.0000007.0.r.210706); Upgrade dahuasecurity sd41_firmware to a higher version than 2.812.0000007.0.r.210706,and avoid the version (,2.812.0000007.0.r.210706); Upgrade dahuasecurity sd50_firmware to a higher version than 2.812.0000007.0.r.210706,and avoid the version (,2.812.0000007.0.r.210706); Upgrade dahuasecurity sd52c_firmware to a higher version than 2.812.0000007.0.r.210706,and avoid the version (,2.812.0000007.0.r.210706); Upgrade dahuasecurity sd6al_firmware to a higher version than 2.812.0000007.0.r.210706,and avoid the version (,2.812.0000007.0.r.210706); Upgrade dahuasecurity tpc-bf1241_firmware to a higher version than 2.630.0000000.6.r.210707,and avoid the version (,2.630.0000000.6.r.210707); Upgrade dahuasecurity tpc-bf2221_firmware to a higher version than 2.630.0000000.10.r.210707,and avoid the version (,2.630.0000000.10.r.210707); Upgrade dahuasecurity tpc-bf5x01_firmware to a higher version than 2.630.0000000.12.r.210707,and avoid the version (,2.630.0000000.12.r.210707); Upgrade dahuasecurity tpc-pt8x21b_firmware to a higher version than 2.630.0000000.10.r.210701,and avoid the version (,2.630.0000000.10.r.210701); Upgrade dahuasecurity tpc-sd2221_firmware to a higher version than 2.630.0000000.7.r.210707,and avoid the version (,2.630.0000000.7.r.210707]; Upgrade dahuasecurity tpc-sd8x21_firmware to a higher version than 2.630.0000000.9.r.210706,and avoid the version (,2.630.0000000.9.r.210706); Upgrade dahuasecurity vto-65xxx_firmware to a higher version than 4.300.0000004.0.r.210715,and avoid the version (,4.300.0000004.0.r.210715); Upgrade dahuasecurity vto-75x95x_firmware to a higher version than 4.300.0000003.0.r.210714,and avoid the version (,4.300.0000003.0.r.210714); Upgrade dahuasecurity vth-542xh_firmware to a higher version than 4.500.0000002.0.r.210715,and avoid the version (,4.500.0000002.0.r.210715); Upgrade dahuasecurity tpc-bf5x21_firmware to a higher version than 2.630.0000000.8.r.210630,and avoid the version (,2.630.0000000.8.r.210630)