CVE-2021-43615CWE-787

CVE-2021-43615

High · published February 3, 2022

CVSS v3.1
8.2
EPSS
0%
Percentile
20.6
In the wild
Unconfirmed
What it is

An issue was discovered in HddPassword in Insyde InsydeH2O with kernel 5.1 before 05.16.23, 5.2 before 05.26.23, 5.3 before 05.35.23, 5.4 before 05.43.22, and 5.5 before 05.51.22. An 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
8.2 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00292 · 20.6th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2022-02-03T07:15Z
Affected products (3)
ProductVersionsFixed in
insyde/insydeh2o≥ 5.1, < 5.16.235.16.23
insyde/insydeh2o≥ 5.2, < 5.23.225.23.22
insyde/insydeh2o≥ 5.3, < 5.32.225.32.22
References (10)
EPSS history
Timeline
  • 03 FEB 01:09Z
    An issue was discovered in HddPassword in Insyde InsydeH2O with kernel 5.1 before 05.16.23, 5.2 before 05.26.23, 5.3 before 05.35.23, 5.4 before 05.43.22, and…
    cvelistv5