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cve[email protected]CVE-2021-42059
HistoryFeb 03, 2022 - 2:15 a.m.

CVE-2021-42059

2022-02-0302:15:07
CWE-787
web.nvd.nist.gov
60
cve-2021-42059
insydeh2o kernel
buffer overflow
arbitrary code execution
uefi
displaytypedxe dxe
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

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.6%

An issue was discovered in Insyde InsydeH2O Kernel 5.0 before 05.08.41, Kernel 5.1 before 05.16.41, Kernel 5.2 before 05.26.41, Kernel 5.3 before 05.35.41, and Kernel 5.4 before 05.42.20. A stack-based buffer overflow leads toarbitrary code execution in UEFI DisplayTypeDxe DXE driver.

Affected configurations

NVD
Node
insydeinsydeh2oRange5.05.08.41
Node
insydeinsydeh2oRange5.15.16.41
Node
insydeinsydeh2oRange5.25.26.41
Node
insydeinsydeh2oRange5.35.35.41
Node
insydeinsydeh2oRange5.45.42.20
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_ipc377g_firmware
AND
siemenssimatic_ipc377gMatch-
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-

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

6.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.6%

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