Vulnerability Details CVE-2021-46744
An attacker with access to a malicious hypervisor may be able to infer data values used in a SEV guest on AMD CPUs by monitoring ciphertext values over time.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 24.6%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 2.1
Products affected by CVE-2021-46744
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cpe:2.3:h:amd:epyc_7001:-
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cpe:2.3:h:amd:epyc_7002:-
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cpe:2.3:h:amd:epyc_7003:-
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cpe:2.3:h:amd:epyc_7232p:-
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cpe:2.3:h:amd:epyc_7251:-
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cpe:2.3:h:amd:epyc_7252:-
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cpe:2.3:h:amd:epyc_7261:-
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cpe:2.3:h:amd:epyc_7262:-
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cpe:2.3:h:amd:epyc_7272:-
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cpe:2.3:h:amd:epyc_7281:-
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cpe:2.3:h:amd:epyc_7282:-
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cpe:2.3:h:amd:epyc_7301:-
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cpe:2.3:h:amd:epyc_7302:-
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cpe:2.3:h:amd:epyc_7302p:-
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cpe:2.3:h:amd:epyc_7313:-
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cpe:2.3:h:amd:epyc_7313p:-
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cpe:2.3:h:amd:epyc_7343:-
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cpe:2.3:h:amd:epyc_7351:-
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cpe:2.3:h:amd:epyc_7351p:-
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cpe:2.3:h:amd:epyc_7352:-
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cpe:2.3:h:amd:epyc_7371:-
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cpe:2.3:h:amd:epyc_7401:-
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cpe:2.3:h:amd:epyc_7401p:-
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cpe:2.3:h:amd:epyc_7402:-
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cpe:2.3:h:amd:epyc_7402p:-
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cpe:2.3:h:amd:epyc_7413:-
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cpe:2.3:h:amd:epyc_7443:-
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cpe:2.3:h:amd:epyc_7443p:-
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cpe:2.3:h:amd:epyc_7451:-
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cpe:2.3:h:amd:epyc_7452:-
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cpe:2.3:h:amd:epyc_7453:-
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cpe:2.3:h:amd:epyc_7501:-
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cpe:2.3:h:amd:epyc_7502:-
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cpe:2.3:h:amd:epyc_7502p:-
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cpe:2.3:h:amd:epyc_7513:-
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cpe:2.3:h:amd:epyc_7532:-
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cpe:2.3:h:amd:epyc_7542:-
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cpe:2.3:h:amd:epyc_7543:-
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cpe:2.3:h:amd:epyc_7543p:-
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cpe:2.3:h:amd:epyc_7551:-
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cpe:2.3:h:amd:epyc_7551p:-
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cpe:2.3:h:amd:epyc_7552:-
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cpe:2.3:h:amd:epyc_7601:-
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cpe:2.3:h:amd:epyc_7642:-
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cpe:2.3:h:amd:epyc_7643:-
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cpe:2.3:h:amd:epyc_7662:-
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cpe:2.3:h:amd:epyc_7663:-
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cpe:2.3:h:amd:epyc_7702:-
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cpe:2.3:h:amd:epyc_7702p:-
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cpe:2.3:h:amd:epyc_7713:-
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cpe:2.3:h:amd:epyc_7713p:-
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cpe:2.3:h:amd:epyc_7742:-
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cpe:2.3:h:amd:epyc_7763:-
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cpe:2.3:h:amd:epyc_embedded_3101:-
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cpe:2.3:h:amd:epyc_embedded_3151:-
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cpe:2.3:h:amd:epyc_embedded_3201:-
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cpe:2.3:h:amd:epyc_embedded_3251:-
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cpe:2.3:h:amd:epyc_embedded_3255:-
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cpe:2.3:h:amd:epyc_embedded_3351:-
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cpe:2.3:h:amd:epyc_embedded_3451:-
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cpe:2.3:h:amd:epyc_embedded_7232p:-
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cpe:2.3:h:amd:epyc_embedded_7251:-
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cpe:2.3:h:amd:epyc_embedded_7252:-
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cpe:2.3:h:amd:epyc_embedded_7261:-
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cpe:2.3:h:amd:epyc_embedded_7262:-
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cpe:2.3:h:amd:epyc_embedded_7272:-
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cpe:2.3:h:amd:epyc_embedded_7281:-
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cpe:2.3:h:amd:epyc_embedded_7282:-
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cpe:2.3:h:amd:epyc_embedded_7301:-
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cpe:2.3:h:amd:epyc_embedded_7302:-
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cpe:2.3:h:amd:epyc_embedded_7302p:-
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cpe:2.3:h:amd:epyc_embedded_7351:-
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cpe:2.3:h:amd:epyc_embedded_7352:-
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cpe:2.3:h:amd:epyc_embedded_735p:-
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cpe:2.3:h:amd:epyc_embedded_7371:-
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cpe:2.3:h:amd:epyc_embedded_7401:-
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cpe:2.3:h:amd:epyc_embedded_7402:-
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cpe:2.3:h:amd:epyc_embedded_7402p:-
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cpe:2.3:h:amd:epyc_embedded_740p:-
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cpe:2.3:h:amd:epyc_embedded_7451:-
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cpe:2.3:h:amd:epyc_embedded_7452:-
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cpe:2.3:h:amd:epyc_embedded_7501:-
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cpe:2.3:h:amd:epyc_embedded_7502:-
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cpe:2.3:h:amd:epyc_embedded_7502p:-
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cpe:2.3:h:amd:epyc_embedded_7532:-
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cpe:2.3:h:amd:epyc_embedded_7542:-
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cpe:2.3:h:amd:epyc_embedded_7551:-
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cpe:2.3:h:amd:epyc_embedded_7552:-
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cpe:2.3:h:amd:epyc_embedded_755p:-
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cpe:2.3:h:amd:epyc_embedded_7601:-
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cpe:2.3:h:amd:epyc_embedded_7642:-
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cpe:2.3:h:amd:epyc_embedded_7662:-
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cpe:2.3:h:amd:epyc_embedded_7702:-
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cpe:2.3:h:amd:epyc_embedded_7702p:-
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cpe:2.3:h:amd:epyc_embedded_7742:-
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cpe:2.3:h:amd:epyc_embedded_7f32:-
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cpe:2.3:h:amd:epyc_embedded_7f52:-
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cpe:2.3:h:amd:epyc_embedded_7f72:-
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cpe:2.3:h:amd:epyc_embedded_7h12:-
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cpe:2.3:o:amd:epyc_7001_firmware:-
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cpe:2.3:o:amd:epyc_7002_firmware:-
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cpe:2.3:o:amd:epyc_7003_firmware:-
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cpe:2.3:o:amd:epyc_7232p_firmware:-
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cpe:2.3:o:amd:epyc_7251_firmware:-
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cpe:2.3:o:amd:epyc_7252_firmware:-
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cpe:2.3:o:amd:epyc_7261_firmware:-
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cpe:2.3:o:amd:epyc_7262_firmware:-
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cpe:2.3:o:amd:epyc_7272_firmware:-
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cpe:2.3:o:amd:epyc_7281_firmware:-
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cpe:2.3:o:amd:epyc_7282_firmware:-
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cpe:2.3:o:amd:epyc_7301_firmware:-
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cpe:2.3:o:amd:epyc_7302_firmware:-
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cpe:2.3:o:amd:epyc_7302p_firmware:-
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cpe:2.3:o:amd:epyc_7313_firmware:-
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cpe:2.3:o:amd:epyc_7313p_firmware:-
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cpe:2.3:o:amd:epyc_7343_firmware:-
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cpe:2.3:o:amd:epyc_7351_firmware:-
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cpe:2.3:o:amd:epyc_7351p_firmware:-
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cpe:2.3:o:amd:epyc_7352_firmware:-
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cpe:2.3:o:amd:epyc_7371_firmware:-
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cpe:2.3:o:amd:epyc_7401_firmware:-
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cpe:2.3:o:amd:epyc_7401p_firmware:-
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cpe:2.3:o:amd:epyc_7402_firmware:-
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cpe:2.3:o:amd:epyc_7402p_firmware:-
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cpe:2.3:o:amd:epyc_7413_firmware:-
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cpe:2.3:o:amd:epyc_7443_firmware:-
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cpe:2.3:o:amd:epyc_7443p_firmware:-
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cpe:2.3:o:amd:epyc_7451_firmware:-
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cpe:2.3:o:amd:epyc_7452_firmware:-
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cpe:2.3:o:amd:epyc_7453_firmware:-
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cpe:2.3:o:amd:epyc_7501_firmware:-
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cpe:2.3:o:amd:epyc_7502_firmware:-
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cpe:2.3:o:amd:epyc_7502p_firmware:-
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cpe:2.3:o:amd:epyc_7513_firmware:-
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cpe:2.3:o:amd:epyc_7532_firmware:-
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cpe:2.3:o:amd:epyc_7542_firmware:-
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cpe:2.3:o:amd:epyc_7543_firmware:-
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cpe:2.3:o:amd:epyc_7543p_firmware:-
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cpe:2.3:o:amd:epyc_7551_firmware:-
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cpe:2.3:o:amd:epyc_7551p_firmware:-
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cpe:2.3:o:amd:epyc_7552_firmware:-
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cpe:2.3:o:amd:epyc_7601_firmware:-
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cpe:2.3:o:amd:epyc_7642_firmware:-
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cpe:2.3:o:amd:epyc_7643_firmware:-
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cpe:2.3:o:amd:epyc_7662_firmware:-
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cpe:2.3:o:amd:epyc_7663_firmware:-
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cpe:2.3:o:amd:epyc_7702_firmware:-
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cpe:2.3:o:amd:epyc_7702p_firmware:-
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cpe:2.3:o:amd:epyc_7713_firmware:-
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cpe:2.3:o:amd:epyc_7713p_firmware:-
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cpe:2.3:o:amd:epyc_7742_firmware:-
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cpe:2.3:o:amd:epyc_7763_firmware:-
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cpe:2.3:o:amd:epyc_embedded_3101_firmware:-
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cpe:2.3:o:amd:epyc_embedded_3151_firmware:-
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cpe:2.3:o:amd:epyc_embedded_3201_firmware:-
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cpe:2.3:o:amd:epyc_embedded_3251_firmware:-
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cpe:2.3:o:amd:epyc_embedded_3255_firmware:-
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cpe:2.3:o:amd:epyc_embedded_3351_firmware:-
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cpe:2.3:o:amd:epyc_embedded_3451_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7232p_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7251_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7252_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7261_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7262_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7272_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7281_firmware:-
-
cpe:2.3:o:amd:epyc_embedded_7282_firmware:-
-
cpe:2.3:o:amd:epyc_embedded_7301_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7302_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7302p_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7351_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7352_firmware:-
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cpe:2.3:o:amd:epyc_embedded_735p_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7371_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7401_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7402_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7402p_firmware:-
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cpe:2.3:o:amd:epyc_embedded_740p_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7451_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7452_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7501_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7502_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7502p_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7532_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7542_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7551_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7552_firmware:-
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cpe:2.3:o:amd:epyc_embedded_755p_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7601_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7642_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7662_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7702_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7702p_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7742_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7f32_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7f52_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7f72_firmware:-
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cpe:2.3:o:amd:epyc_embedded_7h12_firmware:-