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[email protected]CVE-2021-46766

HistoryNov 14, 2023 - 7:15 p.m.

CVE-2021-46766

2023-11-1419:15:00

CWE-459

[email protected]

web.nvd.nist.gov

cve-2021-46766

asp bootloader

sensitive data

secret keys

privileged attacker

asp sram

loss of confidentiality

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

7.1 High

AI Score

Confidence

Low

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:S/C:P/I:N/A:N

0.0004 Low

EPSS

Percentile

15.1%

JSON

Improper clearing of sensitive data in the ASP Bootloader may expose secret keys to a privileged attacker accessing ASP SRAM, potentially leading to a loss of confidentiality.

CPENameOperatorVersion
amd:epyc_9654p_firmwareamd epyc 9654p firmwareltgenoapi_1.0.0.4
amd:epyc_9654_firmwareamd epyc 9654 firmwareltgenoapi_1.0.0.4
amd:epyc_9634_firmwareamd epyc 9634 firmwareltgenoapi_1.0.0.4
amd:epyc_9554p_firmwareamd epyc 9554p firmwareltgenoapi_1.0.0.4
amd:epyc_9554_firmwareamd epyc 9554 firmwareltgenoapi_1.0.0.4
amd:epyc_9534_firmwareamd epyc 9534 firmwareltgenoapi_1.0.0.4
amd:epyc_9474f_firmwareamd epyc 9474f firmwareltgenoapi_1.0.0.4
amd:epyc_9454p_firmwareamd epyc 9454p firmwareltgenoapi_1.0.0.4
amd:epyc_9454_firmwareamd epyc 9454 firmwareltgenoapi_1.0.0.4
amd:epyc_9374f_firmwareamd epyc 9374f firmwareltgenoapi_1.0.0.4

CPE	Name	Operator	Version
amd:epyc_9654p_firmware	amd epyc 9654p firmware	lt	genoapi_1.0.0.4
amd:epyc_9654_firmware	amd epyc 9654 firmware	lt	genoapi_1.0.0.4
amd:epyc_9634_firmware	amd epyc 9634 firmware	lt	genoapi_1.0.0.4
amd:epyc_9554p_firmware	amd epyc 9554p firmware	lt	genoapi_1.0.0.4
amd:epyc_9554_firmware	amd epyc 9554 firmware	lt	genoapi_1.0.0.4
amd:epyc_9534_firmware	amd epyc 9534 firmware	lt	genoapi_1.0.0.4
amd:epyc_9474f_firmware	amd epyc 9474f firmware	lt	genoapi_1.0.0.4
amd:epyc_9454p_firmware	amd epyc 9454p firmware	lt	genoapi_1.0.0.4
amd:epyc_9454_firmware	amd epyc 9454 firmware	lt	genoapi_1.0.0.4
amd:epyc_9374f_firmware	amd epyc 9374f firmware	lt	genoapi_1.0.0.4

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References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

7.1 High

AI Score

Confidence

Low

1.7 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:S/C:P/I:N/A:N

0.0004 Low

EPSS

Percentile

15.1%

JSON

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