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CVE-2021-43522

—
CVSS 3.1
7.5 high
EPSS
<1%p18
Published
()
Modified
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.

Vendors
insyde
Products
insydeh2o
Weakness
CWE-787
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD CVE.org GitHub PoCs EPSS (0.3%)

In the news

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