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    Dashboard / CVE / CVE-2021-46744

    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.

    Published:May 11, 2022
    Last Modified:Nov 21, 2024
    EPS:May 11, 2022
    EPSS Score:0.00082
    CVSS Score:6.5

    Affected Products

    Vendor
    Amd
    Product
    Epyc 7001
    Vendor
    Amd
    Product
    Epyc 7001 Firmware
    Vendor
    Amd
    Product
    Epyc 7002
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    Amd
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    Epyc 7002 Firmware
    Vendor
    Amd
    Product
    Epyc 7003
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    Amd
    Product
    Epyc 7003 Firmware
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    Amd
    Product
    Epyc 7232p
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    Amd
    Product
    Epyc 7232p Firmware
    Vendor
    Amd
    Product
    Epyc 7251
    Vendor
    Amd
    Product
    Epyc 7251 Firmware
    Vendor
    Amd
    Product
    Epyc 7252
    Vendor
    Amd
    Product
    Epyc 7252 Firmware
    Vendor
    Amd
    Product
    Epyc 7261
    Vendor
    Amd
    Product
    Epyc 7261 Firmware
    Vendor
    Amd
    Product
    Epyc 7262
    Vendor
    Amd
    Product
    Epyc 7262 Firmware
    Vendor
    Amd
    Product
    Epyc 7272
    Vendor
    Amd
    Product
    Epyc 7272 Firmware
    Vendor
    Amd
    Product
    Epyc 7281
    Vendor
    Amd
    Product
    Epyc 7281 Firmware
    Vendor
    Amd
    Product
    Epyc 7282
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    Amd
    Product
    Epyc 7282 Firmware
    Vendor
    Amd
    Product
    Epyc 7301
    Vendor
    Amd
    Product
    Epyc 7301 Firmware
    Vendor
    Amd
    Product
    Epyc 7302
    Vendor
    Amd
    Product
    Epyc 7302 Firmware
    Vendor
    Amd
    Product
    Epyc 7302p
    Vendor
    Amd
    Product
    Epyc 7302p Firmware
    Vendor
    Amd
    Product
    Epyc 7313
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    Amd
    Product
    Epyc 7313 Firmware
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    Amd
    Product
    Epyc 7313p
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    Amd
    Product
    Epyc 7313p Firmware
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    Amd
    Product
    Epyc 7343
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    Amd
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    Epyc 7343 Firmware
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    Amd
    Product
    Epyc 7351
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    Amd
    Product
    Epyc 7351 Firmware
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    Amd
    Product
    Epyc 7351p
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    Amd
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    Epyc 7351p Firmware
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    Amd
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    Epyc 7352
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    Amd
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    Epyc 7352 Firmware
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    Amd
    Product
    Epyc 7371
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    Amd
    Product
    Epyc 7371 Firmware
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    Amd
    Product
    Epyc 7401
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    Amd
    Product
    Epyc 7401 Firmware
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    Amd
    Product
    Epyc 7401p
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    Amd
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    Epyc 7401p Firmware
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    Amd
    Product
    Epyc 7402
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    Amd
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    Epyc 7402 Firmware
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    Amd
    Product
    Epyc 7402p
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    Amd
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    Epyc 7402p Firmware
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    Amd
    Product
    Epyc 7413
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    Amd
    Product
    Epyc 7413 Firmware
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    Amd
    Product
    Epyc 7443
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    Amd
    Product
    Epyc 7443 Firmware
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    Amd
    Product
    Epyc 7443p
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    Amd
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    Epyc 7443p Firmware
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    Amd
    Product
    Epyc 7451
    Vendor
    Amd
    Product
    Epyc 7451 Firmware
    Vendor
    Amd
    Product
    Epyc 7452
    Vendor
    Amd
    Product
    Epyc 7452 Firmware
    Vendor
    Amd
    Product
    Epyc 7453
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    Amd
    Product
    Epyc 7453 Firmware
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    Amd
    Product
    Epyc 7501
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    Amd
    Product
    Epyc 7501 Firmware
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    Amd
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    Epyc 7502
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    Epyc 7502 Firmware
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    Amd
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    Epyc 7502p
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    Amd
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    Epyc 7502p Firmware
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    Amd
    Product
    Epyc 7513
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    Amd
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    Epyc 7513 Firmware
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    Amd
    Product
    Epyc 7532
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    Amd
    Product
    Epyc 7532 Firmware
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    Amd
    Product
    Epyc 7542
    Vendor
    Amd
    Product
    Epyc 7542 Firmware
    Vendor
    Amd
    Product
    Epyc 7543
    Vendor
    Amd
    Product
    Epyc 7543 Firmware
    Vendor
    Amd
    Product
    Epyc 7543p
    Vendor
    Amd
    Product
    Epyc 7543p Firmware
    Vendor
    Amd
    Product
    Epyc 7551
    Vendor
    Amd
    Product
    Epyc 7551 Firmware
    Vendor
    Amd
    Product
    Epyc 7551p
    Vendor
    Amd
    Product
    Epyc 7551p Firmware
    Vendor
    Amd
    Product
    Epyc 7552
    Vendor
    Amd
    Product
    Epyc 7552 Firmware
    Vendor
    Amd
    Product
    Epyc 7601
    Vendor
    Amd
    Product
    Epyc 7601 Firmware
    Vendor
    Amd
    Product
    Epyc 7642
    Vendor
    Amd
    Product
    Epyc 7642 Firmware
    Vendor
    Amd
    Product
    Epyc 7643
    Vendor
    Amd
    Product
    Epyc 7643 Firmware
    Vendor
    Amd
    Product
    Epyc 7662
    Vendor
    Amd
    Product
    Epyc 7662 Firmware
    Vendor
    Amd
    Product
    Epyc 7663
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    Amd
    Product
    Epyc 7663 Firmware
    Vendor
    Amd
    Product
    Epyc 7702
    Vendor
    Amd
    Product
    Epyc 7702 Firmware
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    Amd
    Product
    Epyc 7702p
    Vendor
    Amd
    Product
    Epyc 7702p Firmware
    Vendor
    Amd
    Product
    Epyc 7713
    Vendor
    Amd
    Product
    Epyc 7713 Firmware
    Vendor
    Amd
    Product
    Epyc 7713p
    Vendor
    Amd
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    Epyc 7713p Firmware
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    Amd
    Product
    Epyc 7742
    Vendor
    Amd
    Product
    Epyc 7742 Firmware
    Vendor
    Amd
    Product
    Epyc 7763
    Vendor
    Amd
    Product
    Epyc 7763 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 3101
    Vendor
    Amd
    Product
    Epyc Embedded 3101 Firmware
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    Amd
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    Epyc Embedded 3151
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    Amd
    Product
    Epyc Embedded 3151 Firmware
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    Amd
    Product
    Epyc Embedded 3201
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    Amd
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    Epyc Embedded 3201 Firmware
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    Amd
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    Epyc Embedded 3251
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    Amd
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    Epyc Embedded 3251 Firmware
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    Amd
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    Epyc Embedded 3255
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    Amd
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    Epyc Embedded 3255 Firmware
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    Amd
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    Epyc Embedded 3351
    Vendor
    Amd
    Product
    Epyc Embedded 3351 Firmware
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    Amd
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    Epyc Embedded 3451
    Vendor
    Amd
    Product
    Epyc Embedded 3451 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7232p
    Vendor
    Amd
    Product
    Epyc Embedded 7232p Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7251
    Vendor
    Amd
    Product
    Epyc Embedded 7251 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7252
    Vendor
    Amd
    Product
    Epyc Embedded 7252 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7261
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    Amd
    Product
    Epyc Embedded 7261 Firmware
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    Amd
    Product
    Epyc Embedded 7262
    Vendor
    Amd
    Product
    Epyc Embedded 7262 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7272
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    Amd
    Product
    Epyc Embedded 7272 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7281
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    Amd
    Product
    Epyc Embedded 7281 Firmware
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    Amd
    Product
    Epyc Embedded 7282
    Vendor
    Amd
    Product
    Epyc Embedded 7282 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7301
    Vendor
    Amd
    Product
    Epyc Embedded 7301 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7302
    Vendor
    Amd
    Product
    Epyc Embedded 7302 Firmware
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    Amd
    Product
    Epyc Embedded 7302p
    Vendor
    Amd
    Product
    Epyc Embedded 7302p Firmware
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    Amd
    Product
    Epyc Embedded 7351
    Vendor
    Amd
    Product
    Epyc Embedded 7351 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7352
    Vendor
    Amd
    Product
    Epyc Embedded 7352 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 735p
    Vendor
    Amd
    Product
    Epyc Embedded 735p Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7371
    Vendor
    Amd
    Product
    Epyc Embedded 7371 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7401
    Vendor
    Amd
    Product
    Epyc Embedded 7401 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7402
    Vendor
    Amd
    Product
    Epyc Embedded 7402 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7402p
    Vendor
    Amd
    Product
    Epyc Embedded 7402p Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 740p
    Vendor
    Amd
    Product
    Epyc Embedded 740p Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7451
    Vendor
    Amd
    Product
    Epyc Embedded 7451 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7452
    Vendor
    Amd
    Product
    Epyc Embedded 7452 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7501
    Vendor
    Amd
    Product
    Epyc Embedded 7501 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7502
    Vendor
    Amd
    Product
    Epyc Embedded 7502 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7502p
    Vendor
    Amd
    Product
    Epyc Embedded 7502p Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7532
    Vendor
    Amd
    Product
    Epyc Embedded 7532 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7542
    Vendor
    Amd
    Product
    Epyc Embedded 7542 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7551
    Vendor
    Amd
    Product
    Epyc Embedded 7551 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7552
    Vendor
    Amd
    Product
    Epyc Embedded 7552 Firmware
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    Amd
    Product
    Epyc Embedded 755p
    Vendor
    Amd
    Product
    Epyc Embedded 755p Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7601
    Vendor
    Amd
    Product
    Epyc Embedded 7601 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7642
    Vendor
    Amd
    Product
    Epyc Embedded 7642 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7662
    Vendor
    Amd
    Product
    Epyc Embedded 7662 Firmware
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    Amd
    Product
    Epyc Embedded 7702
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    Amd
    Product
    Epyc Embedded 7702 Firmware
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    Amd
    Product
    Epyc Embedded 7702p
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    Amd
    Product
    Epyc Embedded 7702p Firmware
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    Amd
    Product
    Epyc Embedded 7742
    Vendor
    Amd
    Product
    Epyc Embedded 7742 Firmware
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    Amd
    Product
    Epyc Embedded 7f32
    Vendor
    Amd
    Product
    Epyc Embedded 7f32 Firmware
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    Amd
    Product
    Epyc Embedded 7f52
    Vendor
    Amd
    Product
    Epyc Embedded 7f52 Firmware
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    Amd
    Product
    Epyc Embedded 7f72
    Vendor
    Amd
    Product
    Epyc Embedded 7f72 Firmware
    Vendor
    Amd
    Product
    Epyc Embedded 7h12
    Vendor
    Amd
    Product
    Epyc Embedded 7h12 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-203 Observable Discrepancy

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-189 Black Box Reverse Engineering

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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High