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[email protected]CVE-2021-26379

HistoryMay 09, 2023 - 7:15 p.m.

CVE-2021-26379

2023-05-0919:15:00

NVD-CWE-noinfo

[email protected]

web.nvd.nist.gov

cve-2021-26379

input validation

smu

smram

integrity loss

privilege escalation

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

53.9%

JSON

Insufficient input validation of mailbox data in the
SMU may allow an attacker to coerce the SMU to corrupt SMRAM, potentially
leading to a loss of integrity and privilege escalation.

CPENameOperatorVersion
amd:epyc_72f3_firmwareamd epyc 72f3 firmwareltmilanpi_1.0.0.9
amd:epyc_7313_firmwareamd epyc 7313 firmwareltmilanpi_1.0.0.9
amd:epyc_7313p_firmwareamd epyc 7313p firmwareltmilanpi_1.0.0.9
amd:epyc_7343_firmwareamd epyc 7343 firmwareltmilanpi_1.0.0.9
amd:epyc_7373x_firmwareamd epyc 7373x firmwareltmilanpi_1.0.0.9
amd:epyc_73f3_firmwareamd epyc 73f3 firmwareltmilanpi_1.0.0.9
amd:epyc_7413_firmwareamd epyc 7413 firmwareltmilanpi_1.0.0.9
amd:epyc_7443_firmwareamd epyc 7443 firmwareltmilanpi_1.0.0.9
amd:epyc_7443p_firmwareamd epyc 7443p firmwareltmilanpi_1.0.0.9
amd:epyc_7453_firmwareamd epyc 7453 firmwareltmilanpi_1.0.0.9

CPE	Name	Operator	Version
amd:epyc_72f3_firmware	amd epyc 72f3 firmware	lt	milanpi_1.0.0.9
amd:epyc_7313_firmware	amd epyc 7313 firmware	lt	milanpi_1.0.0.9
amd:epyc_7313p_firmware	amd epyc 7313p firmware	lt	milanpi_1.0.0.9
amd:epyc_7343_firmware	amd epyc 7343 firmware	lt	milanpi_1.0.0.9
amd:epyc_7373x_firmware	amd epyc 7373x firmware	lt	milanpi_1.0.0.9
amd:epyc_73f3_firmware	amd epyc 73f3 firmware	lt	milanpi_1.0.0.9
amd:epyc_7413_firmware	amd epyc 7413 firmware	lt	milanpi_1.0.0.9
amd:epyc_7443_firmware	amd epyc 7443 firmware	lt	milanpi_1.0.0.9
amd:epyc_7443p_firmware	amd epyc 7443p firmware	lt	milanpi_1.0.0.9
amd:epyc_7453_firmware	amd epyc 7453 firmware	lt	milanpi_1.0.0.9

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References

www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9.2 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.002 Low

EPSS

Percentile

53.9%

JSON

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