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[email protected]CVE-2021-33625

HistoryFeb 03, 2022 - 2:15 a.m.

CVE-2021-33625

2022-02-0302:15:06

CWE-119

[email protected]

web.nvd.nist.gov

cve-2021-33625

insydeh2o

hddpassword

kernel 5.x

smi services

efi_smm_communication_protocol

smram

mmio

os kernel addresses

nvd

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.5 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses.

Affected configurations

NVD

Node

insydeinsydeh2oRange5.1–5.16.23

Node

insydeinsydeh2oRange5.2–5.26.23

Node

insydeinsydeh2oRange5.3–5.35.23

Node

insydeinsydeh2oRange5.4–5.43.22

Node

insydeinsydeh2oRange5.5–5.51.22

Node

netappfas\/aff_biosMatch-

Node

siemensruggedcom_ape1808Match-

AND

siemensruggedcom_ape1808_firmwareMatch-

Node

siemenssimatic_field_pg_m5Match-

AND

siemenssimatic_field_pg_m5_firmwareMatch-

Node

siemenssimatic_ipc127eMatch-

AND

siemenssimatic_ipc127e_firmwareMatch-

Node

siemenssimatic_itp1000Match-

AND

siemenssimatic_itp1000_firmwareMatch-

Node

siemenssimatic_ipc277gMatch-

AND

siemenssimatic_ipc277g_firmwareMatch-

Node

siemenssimatic_ipc227gMatch-

AND

siemenssimatic_ipc227g_firmwareMatch-

Node

siemenssimatic_ipc327g_firmwareMatch-

AND

siemenssimatic_ipc327gMatch-

Node

siemenssimatic_ipc377g_firmwareMatch-

AND

siemenssimatic_ipc377gMatch-

Node

siemenssimatic_ipc427e_firmwareMatch-

AND

siemenssimatic_ipc427eMatch-

Node

siemenssimatic_ipc477e_firmwareMatch-

AND

siemenssimatic_ipc477eMatch-

Node

siemenssimatic_ipc477e_pro_firmwareMatch-

AND

siemenssimatic_ipc477e_proMatch-

Node

siemenssimatic_ipc627e_firmwareMatch-

AND

siemenssimatic_ipc627eMatch-

Node

siemenssimatic_ipc647e_firmwareMatch-

AND

siemenssimatic_ipc647eMatch-

Node

siemenssimatic_ipc677e_firmwareMatch-

AND

siemenssimatic_ipc677eMatch-

Node

siemenssimatic_ipc847e_firmwareMatch-

AND

siemenssimatic_ipc847eMatch-

Node

siemenssimatic_field_pg_m6_firmwareMatch-

AND

siemenssimatic_field_pg_m6Match-

CPENameOperatorVersion
insyde:insydeh2oinsyde insydeh2olt5.16.23

CPE	Name	Operator	Version
insyde:insydeh2o	insyde insydeh2o	lt	5.16.23

References

cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf

security.netapp.com/advisory/ntap-20220222-0004/

www.insyde.com/security-pledge

www.insyde.com/security-pledge/SA-2022014

6.9 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

7.5 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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