CVE-2021-43522

EUVD-2021-30451
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
LOCAL
HIGH
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 20%
Affected Products (NVD)
VendorProductVersion
insydeinsydeh2o
5.1 ≤
𝑥
< 5.14.34
insydeinsydeh2o
5.2 ≤
𝑥
< 5.24.34
insydeinsydeh2o
5.3 ≤
𝑥
< 5.33.34
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
https://security.netapp.com/advisory/ntap-20220216-0003/
https://www.insyde.com/security-pledge
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf
https://security.netapp.com/advisory/ntap-20220216-0003/
https://www.insyde.com/security-pledge
https://www.kb.cert.org/vuls/id/796611