CVE:CVE-2021-21572
CNNVD:CNNVD-202106-1656
DELL Dell BIOSConnect是美国戴尔（DELL）公司的一个基础平台，使 BIOS 可连接到 Dell 的 HTTP 后端，并通过 HTTP 方法加载映像。
Dell BIOSConnect feature 存在缓冲区错误漏洞，该漏洞允许本地访问系统的恶意管理员用户运行任意代码并绕过UEFI限制。
solution:Upgrade dell alienware_m15_r6_firmware to a higher version than 1.3.3,and avoid the version (,1.3.3); Upgrade dell chengming_3990_firmware to a higher version than 1.4.1,and avoid the version (,1.4.1); Upgrade dell chengming_3991_firmware to a higher version than 1.4.1,and avoid the version (,1.4.1); Upgrade dell g15_5510_firmware to a higher version than 1.4.0,and avoid the version (,1.4.0); Upgrade dell g15_5511_firmware to a higher version than 1.3.3,and avoid the version (,1.3.3); Upgrade dell g3_3500_firmware to a higher version than 1.9.0,and avoid the version (,1.9.0]; Upgrade dell g5_5500_firmware to a higher version than 1.9.0,and avoid the version (,1.9.0); Upgrade dell g7_7500_firmware to a higher version than 1.9.0,and avoid the version (,1.9.0); Upgrade dell g7_7700_firmware to a higher version than 1.9.0,and avoid the version (,1.9.0); Upgrade dell inspiron_14_5418_firmware to a higher version than 2.1.0_a06,and avoid the version (,2.1.0_a06); Upgrade dell inspiron_15_5518_firmware to a higher version than 2.1.0_a06,and avoid the version (,2.1.0_a06); Upgrade dell inspiron_15_7510_firmware to a higher version than 1.0.4,and avoid the version (,1.0.4); Upgrade dell inspiron_3501_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell inspiron_3880_firmware to a higher version than 1.4.1,and avoid the version (,1.4.1); Upgrade dell inspiron_3881_firmware to a higher version than 1.4.1,and avoid the version (,1.4.1); Upgrade dell inspiron_3891_firmware to a higher version than 1.0.11,and avoid the version (,1.0.11); Upgrade dell inspiron_5300_firmware to a higher version than 1.7.1,and avoid the version (,1.7.1); Upgrade dell inspiron_5301_firmware to a higher version than 1.8.1,and avoid the version (,1.8.1); Upgrade dell inspiron_5310_firmware to a higher version than 2.1.0,and avoid the version (,2.1.0); Upgrade dell inspiron_5400_2-in-1_firmware to a higher version than 1.7.0,and avoid the version (,1.7.0); Upgrade dell inspiron_5400_aio_firmware to a higher version than 1.4.0,and avoid the version (,1.4.0); Upgrade dell inspiron_5401_firmware to a higher version than 1.7.2,and avoid the version (,1.7.2); Upgrade dell inspiron_5401_aio_firmware to a higher version than 1.4.0,and avoid the version (,1.4.0); Upgrade dell inspiron_5402_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1); Upgrade dell inspiron_5406_2n1_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1); Upgrade dell inspiron_5408_firmware to a higher version than 1.7.2,and avoid the version (,1.7.2); Upgrade dell inspiron_5409_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1); Upgrade dell inspiron_5410_2-in-1_firmware to a higher version than 2.1.0,and avoid the version (,2.1.0); Upgrade dell inspiron_5501_firmware to a higher version than 1.7.2,and avoid the version (,1.7.2); Upgrade dell inspiron_5502_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1); Upgrade dell inspiron_5508_firmware to a higher version than 1.7.2,and avoid the version (,1.7.2); Upgrade dell inspiron_5509_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1); Upgrade dell inspiron_7300_firmware to a higher version than 1.8.1,and avoid the version (,1.8.1); Upgrade dell inspiron_7300_2-in-1_firmware to a higher version than 1.3.0,and avoid the version (,1.3.0); Upgrade dell inspiron_7306_2-in-1_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1); Upgrade dell inspiron_7400_firmware to a higher version than 1.8.1,and avoid the version (,1.8.1); Upgrade dell inspiron_7500_firmware to a higher version than 1.8.0,and avoid the version (,1.8.0); Upgrade dell inspiron_7500_2-in-1_firmware to a higher version than 1.3.0,and avoid the version (,1.3.0); Upgrade dell inspiron_7501_firmware to a higher version than 1.8.0,and avoid the version (,1.8.0); Upgrade dell inspiron_7506_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1); Upgrade dell inspiron_7610_firmware to a higher version than 1.0.4,and avoid the version (,1.0.4); Upgrade dell inspiron_7700_aio_firmware to a higher version than 1.4.0,and avoid the version (,1.4.0); Upgrade dell inspiron_7706_2-in-1_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1); Upgrade dell latitude_3120_firmware to a higher version than 1.1.0,and avoid the version (,1.1.0); Upgrade dell latitude_3320_firmware to a higher version than 1.4.0,and avoid the version (,1.4.0); Upgrade dell latitude_3410_firmware to a higher version than 1.9.0,and avoid the version (,1.9.0); Upgrade dell latitude_3420_firmware to a higher version than 1.8.0,and avoid the version (,1.8.0); Upgrade dell latitude_3510_firmware to a higher version than 1.9.0,and avoid the version (,1.9.0); Upgrade dell latitude_3520_firmware to a higher version than 1.8.0,and avoid the version (,1.8.0); Upgrade dell latitude_5310_firmware to a higher version than 1.7.0,and avoid the version (,1.7.0); Upgrade dell latitude_5310_2-in-1_firmware to a higher version than 1.7.0,and avoid the version (,1.7.0); Upgrade dell latitude_5320_firmware to a higher version than 1.7.1,and avoid the version (,1.7.1); Upgrade dell latitude_5320_2-in-1_firmware to a higher version than 1.7.1,and avoid the version (,1.7.1); Upgrade dell latitude_5410_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell latitude_5411_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell latitude_5420_firmware to a higher version than 1.8.0,and avoid the version (,1.8.0); Upgrade dell latitude_5510_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell latitude_5511_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell latitude_5520_firmware to a higher version than 1.7.1,and avoid the version (,1.7.1); Upgrade dell latitude_5521_firmware to a higher version than 1.3.0_a03,and avoid the version (,1.3.0_a03); Upgrade dell latitude_7210_2-in-1_firmware to a higher version than 1.7.0,and avoid the version (,1.7.0); Upgrade dell latitude_7310_firmware to a higher version than 1.7.0,and avoid the version (,1.7.0); Upgrade dell latitude_7320_firmware to a higher version than 1.7.1,and avoid the version (,1.7.1); Upgrade dell latitude_7320_detachable_firmware to a higher version than 1.4.0_a04,and avoid the version (,1.4.0_a04); Upgrade dell latitude_7410_firmware to a higher version than 1.7.0,and avoid the version (,1.7.0); Upgrade dell latitude_7420_firmware to a higher version than 1.7.1,and avoid the version (,1.7.1); Upgrade dell latitude_7520_firmware to a higher version than 1.7.1,and avoid the version (,1.7.1); Upgrade dell latitude_9410_firmware to a higher version than 1.7.0,and avoid the version (,1.7.0); Upgrade dell latitude_9420_firmware to a higher version than 1.4.1,and avoid the version (,1.4.1); Upgrade dell latitude_9510_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell latitude_9520_firmware to a higher version than 1.5.2,and avoid the version (,1.5.2); Upgrade dell latitude_5421_firmware to a higher version than 1.3.0_a03,and avoid the version (,1.3.0_a03); Upgrade dell optiplex_3080_firmware to a higher version than 2.1.1,and avoid the version (,2.1.1); Upgrade dell optiplex_3090_uff_firmware to a higher version than 1.2.0,and avoid the version (,1.2.0); Upgrade dell optiplex_3280_all-in-one_firmware to a higher version than 1.7.0,and avoid the version (,1.7.0); Upgrade dell optiplex_5080_firmware to a higher version than 1.4.0,and avoid the version (,1.4.0); Upgrade dell optiplex_5090_tower_firmware to a higher version than 1.1.35,and avoid the version (,1.1.35); Upgrade dell optiplex_5490_aio_firmware to a higher version than 1.3.0,and avoid the version (,1.3.0); Upgrade dell optiplex_7080_firmware to a higher version than 1.4.0,and avoid the version (,1.4.0); Upgrade dell optiplex_7090_tower_firmware to a higher version than 1.1.35,and avoid the version (,1.1.35); Upgrade dell optiplex_7090_uff_firmware to a higher version than 1.2.0,and avoid the version (,1.2.0); Upgrade dell optiplex_7480_all-in-one_firmware to a higher version than 1.7.0,and avoid the version (,1.7.0); Upgrade dell optiplex_7490_all-in-one_firmware to a higher version than 1.3.0,and avoid the version (,1.3.0); Upgrade dell optiplex_7780_all-in-one_firmware to a higher version than 1.7.0,and avoid the version (,1.7.0); Upgrade dell precision_17_m5750_firmware to a higher version than 1.8.2,and avoid the version (,1.8.2); Upgrade dell precision_3440_firmware to a higher version than 1.4.0,and avoid the version (,1.4.0); Upgrade dell precision_3450_firmware to a higher version than 1.1.35,and avoid the version (,1.1.35); Upgrade dell precision_3550_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell precision_3551_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell precision_3560_firmware to a higher version than 1.7.1,and avoid the version (,1.7.1); Upgrade dell precision_3561_firmware to a higher version than 1.3.0_a03,and avoid the version (,1.3.0_a03); Upgrade dell precision_3640_firmware to a higher version than 1.6.2,and avoid the version (,1.6.2); Upgrade dell precision_3650_mt_firmware to a higher version than 1.2.0,and avoid the version (,1.2.0); Upgrade dell precision_5550_firmware to a higher version than 1.8.1,and avoid the version (,1.8.1); Upgrade dell precision_5560_firmware to a higher version than 1.3.2,and avoid the version (,1.3.2); Upgrade dell precision_5760_firmware to a higher version than 1.1.3,and avoid the version (,1.1.3); Upgrade dell precision_7550_firmware to a higher version than 1.8.0,and avoid the version (,1.8.0); Upgrade dell precision_7560_firmware to a higher version than 1.1.2,and avoid the version (,1.1.2); Upgrade dell precision_7750_firmware to a higher version than 1.8.0,and avoid the version (,1.8.0); Upgrade dell precision_7760_firmware to a higher version than 1.1.2,and avoid the version (,1.1.2); Upgrade dell vostro_14_5410_firmware to a higher version than 2.1.0_a06,and avoid the version (,2.1.0_a06); Upgrade dell vostro_15_5510_firmware to a higher version than 2.1.0_a06,and avoid the version (,2.1.0_a06); Upgrade dell vostro_15_7510_firmware to a higher version than 1.0.4,and avoid the version (,1.0.4); Upgrade dell vostro_3400_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell vostro_3500_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell vostro_3501_firmware to a higher version than 1.6.0,and avoid the version (,1.6.0); Upgrade dell vostro_3681_firmware to a higher version than 2.4.0,and avoid the version (,2.4.0); Upgrade dell vostro_3690_firmware to a higher version than 1.0.11,and avoid the version (,1.0.11); Upgrade dell vostro_3881_firmware to a higher version than 2.4.0,and avoid the version (,2.4.0); Upgrade dell vostro_3888_firmware to a higher version than 2.4.0,and avoid the version (,2.4.0); Upgrade dell vostro_3890_firmware to a higher version than 1.0.11,and avoid the version (,1.0.11); Upgrade dell vostro_5300_firmware to a higher version than 1.7.1,and avoid the version (,1.7.1); Upgrade dell vostro_5301_firmware to a higher version than 1.8.1,and avoid the version (,1.8.1); Upgrade dell vostro_5310_firmware to a higher version than 2.1.0,and avoid the version (,2.1.0); Upgrade dell vostro_5401_firmware to a higher version than 1.7.2,and avoid the version (,1.7.2); Upgrade dell vostro_5402_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1); Upgrade dell vostro_5501_firmware to a higher version than 1.7.2,and avoid the version (,1.7.2); Upgrade dell vostro_5502_firmware to a higher version than 1.5.1,and avoid the version (,1.5.1); Upgrade dell vostro_5880_firmware to a higher version than 1.4.0,and avoid the version (,1.4.0); Upgrade dell vostro_5890_firmware to a higher version than 1.0.11,and avoid the version (,1.0.11); Upgrade dell vostro_7500_firmware to a higher version than 1.8.0,and avoid the version (,1.8.0); Upgrade dell xps_13_9305_firmware to a higher version than 1.0.8,and avoid the version (,1.0.8); Upgrade dell xps_13_2in1_9310_firmware to a higher version than 2.3.3,and avoid the version (,2.3.3); Upgrade dell xps_13_9310_firmware to a higher version than 3.0.0,and avoid the version (,3.0.0); Upgrade dell xps_15_9500_firmware to a higher version than 1.8.1,and avoid the version (,1.8.1); Upgrade dell xps_15_9510_firmware to a higher version than 1.3.2,and avoid the version (,1.3.2); Upgrade dell xps_17_9700_firmware to a higher version than 1.8.2,and avoid the version (,1.8.2); Upgrade dell xps_17_9710_firmware to a higher version than 1.1.3,and avoid the version (,1.1.3)