CVE-2021-43522

high

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.

References

https://www.insyde.com/security-pledge

https://security.netapp.com/advisory/ntap-20220216-0003/

https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf

Details

Source: Mitre, NVD

Published: 2022-02-03

Updated: 2022-03-29

Risk Information

CVSS v2

Base Score: 6.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Severity: High