CVE-2021-43522CWE-787

CVE-2021-43522

High · published February 3, 2022

CVSS v3.1
7.5
EPSS
0%
Percentile
17.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00264 · 17.4th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2022-02-03T05:15Z
Affected products (3)
ProductVersionsFixed in
insyde/insydeh2o≥ 5.1, < 5.14.345.14.34
insyde/insydeh2o≥ 5.2, < 5.24.345.24.34
insyde/insydeh2o≥ 5.3, < 5.33.345.33.34
References (8)
https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf · [email protected]https://security.netapp.com/advisory/ntap-20220216-0003/ · [email protected]https://www.insyde.com/security-pledge · [email protected]https://cert-portal.siemens.com/productcert/pdf/ssa-306654.pdf · af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220216-0003/ · af854a3a-2127-422b-91ae-364da2661108https://www.insyde.com/security-pledge · af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/796611 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-306654.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 02 FEB 23:41Z
    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
    cvelistv5