Vulnerability Details CVE-2021-21573
Dell BIOSConnect feature contains a buffer overflow vulnerability. An authenticated malicious admin user with local access to the system may potentially exploit this vulnerability to run arbitrary code and bypass UEFI restrictions.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 13.7%
CVSS Severity
CVSS v3 Score 7.2
CVSS v2 Score 6.9
Products affected by CVE-2021-21573
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cpe:2.3:h:dell:alienware_m15_r6:-
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cpe:2.3:h:dell:chengming_3990:-
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cpe:2.3:h:dell:chengming_3991:-
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cpe:2.3:h:dell:g15_5510:-
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cpe:2.3:h:dell:g15_5511:-
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-
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-
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cpe:2.3:h:dell:inspiron_14_5418:-
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cpe:2.3:h:dell:inspiron_15_5518:-
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cpe:2.3:h:dell:inspiron_15_7510:-
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cpe:2.3:h:dell:inspiron_3501:-
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cpe:2.3:h:dell:inspiron_3880:-
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cpe:2.3:h:dell:inspiron_3881:-
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cpe:2.3:h:dell:inspiron_3891:-
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cpe:2.3:h:dell:inspiron_5300:-
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cpe:2.3:h:dell:inspiron_5301:-
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cpe:2.3:h:dell:inspiron_5310:-
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cpe:2.3:h:dell:inspiron_5400_2-in-1:-
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cpe:2.3:h:dell:inspiron_5400_aio:-
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cpe:2.3:h:dell:inspiron_5401:-
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cpe:2.3:h:dell:inspiron_5401_aio:-
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cpe:2.3:h:dell:inspiron_5402:-
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cpe:2.3:h:dell:inspiron_5406_2n1:-
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cpe:2.3:h:dell:inspiron_5408:-
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cpe:2.3:h:dell:inspiron_5409:-
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cpe:2.3:h:dell:inspiron_5410_2-in-1:-
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cpe:2.3:h:dell:inspiron_5501:-
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cpe:2.3:h:dell:inspiron_5502:-
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cpe:2.3:h:dell:inspiron_5508:-
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cpe:2.3:h:dell:inspiron_5509:-
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cpe:2.3:h:dell:inspiron_7300:-
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cpe:2.3:h:dell:inspiron_7300_2-in-1:-
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cpe:2.3:h:dell:inspiron_7306_2-in-1:-
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cpe:2.3:h:dell:inspiron_7400:-
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cpe:2.3:h:dell:inspiron_7500:-
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cpe:2.3:h:dell:inspiron_7500_2-in-1:-
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cpe:2.3:h:dell:inspiron_7501:-
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cpe:2.3:h:dell:inspiron_7506:-
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cpe:2.3:h:dell:inspiron_7610:-
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cpe:2.3:h:dell:inspiron_7700_aio:-
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cpe:2.3:h:dell:inspiron_7706_2-in-1:-
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cpe:2.3:h:dell:latitude_3120:-
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cpe:2.3:h:dell:latitude_3320:-
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cpe:2.3:h:dell:latitude_3410:-
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cpe:2.3:h:dell:latitude_3420:-
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cpe:2.3:h:dell:latitude_3510:-
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cpe:2.3:h:dell:latitude_3520:-
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cpe:2.3:h:dell:latitude_5310:-
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cpe:2.3:h:dell:latitude_5310_2-in-1:-
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cpe:2.3:h:dell:latitude_5320:-
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cpe:2.3:h:dell:latitude_5320_2-in-1:-
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cpe:2.3:h:dell:latitude_5410:-
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cpe:2.3:h:dell:latitude_5411:-
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cpe:2.3:h:dell:latitude_5420:-
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cpe:2.3:h:dell:latitude_5421:-
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cpe:2.3:h:dell:latitude_5510:-
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cpe:2.3:h:dell:latitude_5511:-
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cpe:2.3:h:dell:latitude_5520:-
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cpe:2.3:h:dell:latitude_5521:-
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cpe:2.3:h:dell:latitude_7210_2-in-1:-
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cpe:2.3:h:dell:latitude_7310:-
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cpe:2.3:h:dell:latitude_7320:-
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cpe:2.3:h:dell:latitude_7320_detachable:-
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cpe:2.3:h:dell:latitude_7410:-
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cpe:2.3:h:dell:latitude_7420:-
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cpe:2.3:h:dell:latitude_7520:-
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cpe:2.3:h:dell:latitude_9410:-
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cpe:2.3:h:dell:latitude_9420:-
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cpe:2.3:h:dell:latitude_9510:-
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cpe:2.3:h:dell:latitude_9520:-
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cpe:2.3:h:dell:optiplex_3080:-
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cpe:2.3:h:dell:optiplex_3090_uff:-
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cpe:2.3:h:dell:optiplex_3280_all-in-one:-
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cpe:2.3:h:dell:optiplex_5080:-
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cpe:2.3:h:dell:optiplex_5090_tower:-
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cpe:2.3:h:dell:optiplex_5490_aio:-
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cpe:2.3:h:dell:optiplex_7080:-
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cpe:2.3:h:dell:optiplex_7090_tower:-
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cpe:2.3:h:dell:optiplex_7090_uff:-
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cpe:2.3:h:dell:optiplex_7480_all-in-one:-
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cpe:2.3:h:dell:optiplex_7490_all-in-one:-
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cpe:2.3:h:dell:optiplex_7780_all-in-one:-
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cpe:2.3:h:dell:precision_17_m5750:-
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cpe:2.3:h:dell:precision_3440:-
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cpe:2.3:h:dell:precision_3450:-
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cpe:2.3:h:dell:precision_3550:-
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cpe:2.3:h:dell:precision_3551:-
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cpe:2.3:h:dell:precision_3560:-
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cpe:2.3:h:dell:precision_3561:-
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cpe:2.3:h:dell:precision_3640:-
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cpe:2.3:h:dell:precision_3650_mt:-
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cpe:2.3:h:dell:precision_5550:-
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cpe:2.3:h:dell:precision_5560:-
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cpe:2.3:h:dell:precision_5760:-
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cpe:2.3:h:dell:precision_7550:-
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cpe:2.3:h:dell:precision_7560:-
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cpe:2.3:h:dell:precision_7750:-
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cpe:2.3:h:dell:precision_7760:-
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cpe:2.3:h:dell:vostro_14_5410:-
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cpe:2.3:h:dell:vostro_15_5510:-
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cpe:2.3:h:dell:vostro_15_7510:-
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cpe:2.3:h:dell:vostro_3400:-
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cpe:2.3:h:dell:vostro_3500:-
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cpe:2.3:h:dell:vostro_3501:-
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cpe:2.3:h:dell:vostro_3681:-
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cpe:2.3:h:dell:vostro_3690:-
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cpe:2.3:h:dell:vostro_3881:-
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cpe:2.3:h:dell:vostro_3888:-
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cpe:2.3:h:dell:vostro_3890:-
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cpe:2.3:h:dell:vostro_5300:-
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cpe:2.3:h:dell:vostro_5301:-
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cpe:2.3:h:dell:vostro_5310:-
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cpe:2.3:h:dell:vostro_5401:-
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cpe:2.3:h:dell:vostro_5402:-
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cpe:2.3:h:dell:vostro_5501:-
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cpe:2.3:h:dell:vostro_5502:-
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cpe:2.3:h:dell:vostro_5880:-
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cpe:2.3:h:dell:vostro_5890:-
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cpe:2.3:h:dell:vostro_7500:-
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cpe:2.3:h:dell:xps_13_2in1_9310:-
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cpe:2.3:h:dell:xps_13_9305:-
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cpe:2.3:h:dell:xps_13_9310:-
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cpe:2.3:h:dell:xps_15_9500:-
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cpe:2.3:h:dell:xps_15_9510:-
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cpe:2.3:h:dell:xps_17_9700:-
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cpe:2.3:h:dell:xps_17_9710:-
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cpe:2.3:o:dell:alienware_m15_r6_firmware:-
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cpe:2.3:o:dell:chengming_3990_firmware:-
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cpe:2.3:o:dell:chengming_3990_firmware:1.1.3
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cpe:2.3:o:dell:chengming_3991_firmware:-
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cpe:2.3:o:dell:chengming_3991_firmware:1.1.3
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cpe:2.3:o:dell:g15_5510_firmware:-
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cpe:2.3:o:dell:g15_5511_firmware:-
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cpe:2.3:o:dell:g3_3500_firmware:-
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cpe:2.3:o:dell:g5_5500_firmware:-
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cpe:2.3:o:dell:g7_7500_firmware:-
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cpe:2.3:o:dell:g7_7700_firmware:-
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cpe:2.3:o:dell:inspiron_14_5418_firmware:-
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cpe:2.3:o:dell:inspiron_15_5518_firmware:-
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cpe:2.3:o:dell:inspiron_15_7510_firmware:-
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cpe:2.3:o:dell:inspiron_3501_firmware:-
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cpe:2.3:o:dell:inspiron_3880_firmware:-
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cpe:2.3:o:dell:inspiron_3881_firmware:-
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cpe:2.3:o:dell:inspiron_3891_firmware:-
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cpe:2.3:o:dell:inspiron_5300_firmware:-
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cpe:2.3:o:dell:inspiron_5301_firmware:-
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cpe:2.3:o:dell:inspiron_5310_firmware:-
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cpe:2.3:o:dell:inspiron_5400_2-in-1_firmware:-
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cpe:2.3:o:dell:inspiron_5400_aio_firmware:*
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cpe:2.3:o:dell:inspiron_5401_aio_firmware:-
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cpe:2.3:o:dell:inspiron_5401_firmware:-
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cpe:2.3:o:dell:inspiron_5402_firmware:-
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cpe:2.3:o:dell:inspiron_5406_2n1_firmware:*
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cpe:2.3:o:dell:inspiron_5408_firmware:-
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cpe:2.3:o:dell:inspiron_5409_firmware:-
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cpe:2.3:o:dell:inspiron_5410_2-in-1_firmware:*
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cpe:2.3:o:dell:inspiron_5501_firmware:-
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cpe:2.3:o:dell:inspiron_5502_firmware:-
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cpe:2.3:o:dell:inspiron_5508_firmware:-
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cpe:2.3:o:dell:inspiron_5509_firmware:-
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cpe:2.3:o:dell:inspiron_7300_2-in-1_firmware:-
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cpe:2.3:o:dell:inspiron_7300_firmware:-
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cpe:2.3:o:dell:inspiron_7306_2-in-1_firmware:-
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cpe:2.3:o:dell:inspiron_7400_firmware:-
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cpe:2.3:o:dell:inspiron_7500_2-in-1_firmware:*
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cpe:2.3:o:dell:inspiron_7500_firmware:-
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cpe:2.3:o:dell:inspiron_7501_firmware:-
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cpe:2.3:o:dell:inspiron_7506_firmware:*
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cpe:2.3:o:dell:inspiron_7610_firmware:-
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cpe:2.3:o:dell:inspiron_7700_aio_firmware:*
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cpe:2.3:o:dell:inspiron_7706_2-in-1_firmware:-
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cpe:2.3:o:dell:latitude_3120_firmware:-
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cpe:2.3:o:dell:latitude_3320_firmware:-
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cpe:2.3:o:dell:latitude_3410_firmware:-
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cpe:2.3:o:dell:latitude_3420_firmware:-
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cpe:2.3:o:dell:latitude_3510_firmware:-
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cpe:2.3:o:dell:latitude_3520_firmware:-
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cpe:2.3:o:dell:latitude_5310_2-in-1_firmware:-
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cpe:2.3:o:dell:latitude_5310_firmware:-
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cpe:2.3:o:dell:latitude_5320_2-in-1_firmware:*
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cpe:2.3:o:dell:latitude_5320_firmware:-
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cpe:2.3:o:dell:latitude_5410_firmware:-
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cpe:2.3:o:dell:latitude_5411_firmware:-
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cpe:2.3:o:dell:latitude_5420_firmware:-
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cpe:2.3:o:dell:latitude_5420_firmware:1.4.0
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cpe:2.3:o:dell:latitude_5421_firmware:-
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cpe:2.3:o:dell:latitude_5510_firmware:-
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cpe:2.3:o:dell:latitude_5511_firmware:-
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cpe:2.3:o:dell:latitude_5520_firmware:-
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cpe:2.3:o:dell:latitude_5521_firmware:-
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cpe:2.3:o:dell:latitude_7210_2-in-1_firmware:-
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cpe:2.3:o:dell:latitude_7310_firmware:-
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cpe:2.3:o:dell:latitude_7320_detachable_firmware:-
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cpe:2.3:o:dell:latitude_7320_firmware:-
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cpe:2.3:o:dell:latitude_7410_firmware:-
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cpe:2.3:o:dell:latitude_7420_firmware:-
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cpe:2.3:o:dell:latitude_7520_firmware:-
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cpe:2.3:o:dell:latitude_9410_firmware:-
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cpe:2.3:o:dell:latitude_9420_firmware:-
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cpe:2.3:o:dell:latitude_9510_firmware:-
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cpe:2.3:o:dell:latitude_9520_firmware:-
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cpe:2.3:o:dell:optiplex_3080_firmware:-
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cpe:2.3:o:dell:optiplex_3090_uff_firmware:*
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cpe:2.3:o:dell:optiplex_3280_all-in-one_firmware:-
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cpe:2.3:o:dell:optiplex_5080_firmware:-
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cpe:2.3:o:dell:optiplex_5090_tower_firmware:-
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cpe:2.3:o:dell:optiplex_5490_aio_firmware:*
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cpe:2.3:o:dell:optiplex_7080_firmware:-
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cpe:2.3:o:dell:optiplex_7090_tower_firmware:-
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cpe:2.3:o:dell:optiplex_7090_uff_firmware:*
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cpe:2.3:o:dell:optiplex_7480_all-in-one_firmware:-
-
cpe:2.3:o:dell:optiplex_7490_all-in-one_firmware:-
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cpe:2.3:o:dell:optiplex_7780_all-in-one_firmware:-
-
cpe:2.3:o:dell:precision_17_m5750_firmware:*
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cpe:2.3:o:dell:precision_3440_firmware:-
-
cpe:2.3:o:dell:precision_3450_firmware:-
-
cpe:2.3:o:dell:precision_3550_firmware:-
-
cpe:2.3:o:dell:precision_3551_firmware:-
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cpe:2.3:o:dell:precision_3560_firmware:-
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cpe:2.3:o:dell:precision_3561_firmware:-
-
cpe:2.3:o:dell:precision_3640_firmware:-
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cpe:2.3:o:dell:precision_3650_mt_firmware:*
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cpe:2.3:o:dell:precision_5550_firmware:-
-
cpe:2.3:o:dell:precision_5560_firmware:-
-
cpe:2.3:o:dell:precision_5760_firmware:-
-
cpe:2.3:o:dell:precision_7550_firmware:-
-
cpe:2.3:o:dell:precision_7560_firmware:-
-
cpe:2.3:o:dell:precision_7750_firmware:-
-
cpe:2.3:o:dell:precision_7760_firmware:-
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cpe:2.3:o:dell:vostro_14_5410_firmware:-
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cpe:2.3:o:dell:vostro_15_5510_firmware:-
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cpe:2.3:o:dell:vostro_15_7510_firmware:-
-
cpe:2.3:o:dell:vostro_3400_firmware:-
-
cpe:2.3:o:dell:vostro_3500_firmware:-
-
cpe:2.3:o:dell:vostro_3501_firmware:-
-
cpe:2.3:o:dell:vostro_3681_firmware:-
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cpe:2.3:o:dell:vostro_3690_firmware:-
-
cpe:2.3:o:dell:vostro_3881_firmware:-
-
cpe:2.3:o:dell:vostro_3888_firmware:-
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cpe:2.3:o:dell:vostro_3890_firmware:-
-
cpe:2.3:o:dell:vostro_5300_firmware:-
-
cpe:2.3:o:dell:vostro_5301_firmware:-
-
cpe:2.3:o:dell:vostro_5310_firmware:-
-
cpe:2.3:o:dell:vostro_5401_firmware:-
-
cpe:2.3:o:dell:vostro_5402_firmware:-
-
cpe:2.3:o:dell:vostro_5501_firmware:-
-
cpe:2.3:o:dell:vostro_5502_firmware:-
-
cpe:2.3:o:dell:vostro_5880_firmware:-
-
cpe:2.3:o:dell:vostro_5890_firmware:-
-
cpe:2.3:o:dell:vostro_7500_firmware:-
-
cpe:2.3:o:dell:xps_13_2in1_9310_firmware:*
-
cpe:2.3:o:dell:xps_13_9305_firmware:-
-
cpe:2.3:o:dell:xps_13_9310_firmware:-
-
cpe:2.3:o:dell:xps_15_9500_firmware:-
-
cpe:2.3:o:dell:xps_15_9510_firmware:-
-
cpe:2.3:o:dell:xps_17_9700_firmware:-
-
cpe:2.3:o:dell:xps_17_9710_firmware:-