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[email protected]CVE-2021-26327

HistoryNov 16, 2021 - 7:15 p.m.

CVE-2021-26327

2021-11-1619:15:07

CWE-20

CWE-668

[email protected]

web.nvd.nist.gov

cve-2021-26327

insufficient validation

guest context

snp firmware

guest confidentiality

nvd

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

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

5.9 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

JSON

Insufficient validation of guest context in the SNP Firmware could lead to a potential loss of guest confidentiality.

Affected configurations

NVD

Node

amdepyc_7003_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7003Match-

Node

amdepyc_72f3_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_72f3Match-

Node

amdepyc_7313_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7313Match-

Node

amdepyc_7313p_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7313pMatch-

Node

amdepyc_7343_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7343Match-

Node

amdepyc_73f3_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_73f3Match-

Node

amdepyc_7413_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7413Match-

Node

amdepyc_7443_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7443Match-

Node

amdepyc_7443p_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7443pMatch-

Node

amdepyc_7453_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7453Match-

Node

amdepyc_74f3_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_74f3Match-

Node

amdepyc_7513_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7513Match-

Node

amdepyc_7543_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7543Match-

Node

amdepyc_7543p_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7543pMatch-

Node

amdepyc_75f3_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_75f3Match-

Node

amdepyc_7643_firmwareRange<milanpi-sp3_1.0.0.4

AND

amdepyc_7643Match-

Node

amdepyc_7663Match-

AND

amdepyc_7663_firmwareRange<milanpi-sp3_1.0.0.4

Node

amdepyc_7713Match-

AND

amdepyc_7713_firmwareRange<milanpi-sp3_1.0.0.4

Node

amdepyc_7713pMatch-

AND

amdepyc_7713p_firmwareRange<milanpi-sp3_1.0.0.4

Node

amdepyc_7763Match-

AND

amdepyc_7763_firmwareRange<milanpi-sp3_1.0.0.4

CPENameOperatorVersion
amd:epyc_7003_firmwareamd epyc 7003 firmwareltmilanpi-sp3_1.0.0.4

CPE	Name	Operator	Version
amd:epyc_7003_firmware	amd epyc 7003 firmware	lt	milanpi-sp3_1.0.0.4

CNA Affected

[
  {
    "product": "3rd Gen AMD EPYC™",
    "vendor": "AMD",
    "versions": [
      {
        "lessThan": "MilanPI-SP3_1.0.0.4",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021

2.1 Low

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

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

5.9 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

JSON

Related for CVE-2021-26327

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