CVE-2021-46744

CVSS V2 Low 2.1 CVSS V3 Medium 6.5
Description
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.
Overview
  • CVE ID
  • CVE-2021-46744
  • Assigner
  • psirt@amd.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-05-11T17:15:09
  • Last Modified Date
  • 2022-10-26T02:39:19
Weakness Enumerations
CWE URL
CWE-668 http://cwe.mitre.org/data/definitions/668.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:amd:epyc_7001_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7001:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7002_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7002:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7003_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7003:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7232p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7232p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7251_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7251:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7252_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7252:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7261_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7261:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7262_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7262:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7272_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7272:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7281_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7281:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7282_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7282:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7301_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7301:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7302_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7302:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7302p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7302p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7313_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7313p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7343_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7351_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7351:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7351p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7351p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7352_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7352:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7371_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7371:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7401_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7401:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7401p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7401p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7402_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7402:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7402p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7402p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7413_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7443_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7443p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7451_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7451:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7452_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7452:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7453_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7501_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7501:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7502_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7502:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7502p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7502p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7513_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7532_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7532:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7542_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7542:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7543_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7543p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7551_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7551:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7551p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7551p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7552_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7552:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7601_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7601:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7642_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7642:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7643_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7662_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7662:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7663_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7702_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7702:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7702p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7702p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7713_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7713p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7742_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7742:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_7763_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_3101_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_3101:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_3151_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_3151:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_3201_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_3201:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_3251_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_3251:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_3255_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_3255:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_3351_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_3351:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_3451_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_3451:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7232p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7232p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7251_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7251:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7252_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7252:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7261_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7261:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7262_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7262:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7272_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7272:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7281_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7281:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7282_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7282:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7301_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7301:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7302_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7302:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7302p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7302p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7351_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7351:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7352_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7352:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_735p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_735p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7371_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7371:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7401_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7401:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7402_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7402:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7402p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7402p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_740p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_740p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7451_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7451:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7452_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7452:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7501_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7501:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7502_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7502:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7502p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7502p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7532_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7532:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7542_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7542:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7551_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7551:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7552_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7552:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_755p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_755p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7601_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7601:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7642_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7642:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7662_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7662:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7702_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7702:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7702p_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7702p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7742_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7742:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7f32_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7f32:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7f52_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7f52:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7f72_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7f72:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:amd:epyc_embedded_7h12_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:amd:epyc_embedded_7h12:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2
  • Impact Score
  • 4
References
Reference URL Reference Tags
http://www.openwall.com/lists/oss-security/2022/08/08/6 Mailing List Third Party Advisory
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1033 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-46744
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46744
History
Created Old Value New Value Data Type Notes
2022-05-11 18:00:31 Added to TrackCVE