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CVE-2021-43615

nvd nist
Published: Feb 3, 2022Modified: Nov 4, 2025

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8.2
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Exploitability: 1.5 / Impact: 6.0
Source: NVD

Description

An issue was discovered in HddPassword in Insyde InsydeH2O with kernel 5.1 before 05.16.23, 5.2 before 05.26.23, 5.3 before 05.35.23, 5.4 before 05.43.22, and 5.5 before 05.51.22. An 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 (3)

Products: Insyde: Insydeh2o
Insyde
1 product
Insydeh2o
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Insydeh2o
From 5.1 to 5.16.23
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Insydeh2o
From 5.2 to 5.23.22
Configuration C
1 vulnerable
Vulnerable SoftwareAffected Versions
Insydeh2o
From 5.3 to 5.32.22

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (9)

Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Vendor Advisory
Source: cve@mitre.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.