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cveMitreCVE-2021-43522
HistoryFeb 03, 2022 - 12:15 a.m.

CVE-2021-43522

2022-02-0300:15:07
CWE-787
mitre
web.nvd.nist.gov
56
cve-2021-43522
insyde insydeh2o
kernel 5.1
kernel 5.2
kernel 5.3
smm memory corruption
privilege escalation
nvd

CVSS2

6.9

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

CVSS3

7.5

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

AI Score

7.7

Confidence

High

EPSS

0

Percentile

12.6%

JSON

An issue was discovered in Insyde InsydeH2O with kernel 5.1 through 2021-11-08, 5.2 through 2021-11-08, and 5.3 through 2021-11-08. A StorageSecurityCommandDxe SMM memory corruption vulnerability allows an attacker to write fixed or predictable data to SMRAM. Exploiting this issue could lead to escalating privileges to SMM.

Affected configurations

Nvd
Node
insydeinsydeh2oRange5.1–5.14.34
Node
insydeinsydeh2oRange5.2–5.24.34
Node
insydeinsydeh2oRange5.3–5.33.34
VendorProductVersionCPE
insydeinsydeh2o*cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

Related

nvd 1
cnvd 1
nessus 1
cvelist 1
prion 1
f5 1
cert 1
nvd
nvd
CVE-2021-43522
2022-02-03 00:15:07
cnvd
cnvd
Insyde InsydeH2O Buffer Overflow Vulnerability (CNVD-2022-10275)
2022-02-09 00:00:00
nessus
nessus
Siemens InsydeH2O Out-of-bounds Write (CVE-2021-43522)
2023-09-26 00:00:00
cvelist
cvelist
CVE-2021-43522
2022-02-02 23:41:09
prion
prion
Memory corruption
2022-02-03 00:15:00
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

CVSS2

6.9

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

CVSS3

7.5

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

AI Score

7.7

Confidence

High

EPSS

0

Percentile

12.6%

JSON
Related for CVE-2021-43522
nvd1cnvd1nessus1cvelist1prion1f51cert1