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cve[email protected]CVE-2021-33627
HistoryFeb 03, 2022 - 2:15 a.m.

CVE-2021-33627

2022-02-0302:15:06
CWE-119
[email protected]
web.nvd.nist.gov
46
cve-2021-33627
insydeh2o
fwblockservicesmm
smi
efi_smm_communication_protocol
vulnerability
nvd

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.6%

JSON

An issue was discovered in Insyde InsydeH2O 5.x, affecting FwBlockServiceSmm. 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
insydeinsydeh2oRange5.0–5.08.29
Node
insydeinsydeh2oRange5.1–5.16.29
Node
insydeinsydeh2oRange5.2–5.26.29
Node
insydeinsydeh2oRange5.3–5.35.29
Node
siemenssimatic_field_pg_m5Match-
AND
siemenssimatic_field_pg_m5_firmware
Node
siemenssimatic_field_pg_m6Match-
AND
siemenssimatic_field_pg_m6_firmware
Node
siemenssimatic_ipc127eMatch-
AND
siemenssimatic_ipc127e_firmware
Node
siemenssimatic_ipc227gMatch-
AND
siemenssimatic_ipc227g_firmware
Node
siemenssimatic_ipc277gMatch-
AND
siemenssimatic_ipc277g_firmware
Node
siemenssimatic_ipc327gMatch-
AND
siemenssimatic_ipc327g_firmware
Node
siemenssimatic_ipc377gMatch-
AND
siemenssimatic_ipc377g_firmware
Node
siemenssimatic_ipc427e_firmware
AND
siemenssimatic_ipc427eMatch-
Node
siemenssimatic_ipc477e_firmware
AND
siemenssimatic_ipc477eMatch-
Node
siemenssimatic_ipc627e_firmware
AND
siemenssimatic_ipc627eMatch-
Node
siemenssimatic_ipc647e_firmware
AND
siemenssimatic_ipc647eMatch-
Node
siemenssimatic_ipc677e_firmware
AND
siemenssimatic_ipc677eMatch-
Node
siemenssimatic_ipc847e_firmware
AND
siemenssimatic_ipc847eMatch-
Node
siemenssimatic_itp1000_firmware
AND
siemenssimatic_itp1000Match-

Related

cvelist 1
nvd 1
nessus 1
cnvd 1
prion 1
f5 1
cert 1
cvelist
cvelist
CVE-2021-33627
2022-02-03 01:30:36
nvd
nvd
CVE-2021-33627
2022-02-03 02:15:06
nessus
nessus
Siemens InsydeH2O Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2021-33627)
2023-09-26 00:00:00
cnvd
cnvd
Insyde InsydeH2O Buffer Overflow Vulnerability (CNVD-2022-10285)
2022-02-08 00:00:00
prion
prion
Design/Logic Flaw
2022-02-03 02:15:00
f5
f5
K45810018 : Multiple Insyde BIOS/EFI vulnerabilities
2022-02-15 00:00:00
cert
cert
InsydeH2O UEFI software impacted by multiple vulnerabilities in SMM
2022-02-01 00:00:00

7.2 High

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

8.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

20.6%

JSON
Related for CVE-2021-33627
cvelist1nvd1nessus1cnvd1prion1f51cert1