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VULNERABILITIES

CVE-2021-43522 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://cert-portal.siemens.com/productcert/html/ssa-306654.html siemens-SADP
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf CVEThird Party Advisory
https://security.netapp.com/advisory/ntap-20220216-0003/ CVEThird Party Advisory
https://www.insyde.com/security-pledge CVEVendor Advisory
https://www.kb.cert.org/vuls/id/796611 CVE

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
insyde insydeh2o
>= 5.1, < 5.14.34
>= 5.2, < 5.24.34
>= 5.3, < 5.33.34

CPE

  • cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-43522
NVD Published Date:
Feb 3, 2022
NVD Last Modified:
Aug 11, 2026
Source:
[email protected]
CVE-2021-43522 Details - Not Deferred