Vulnerability Monitor

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CVE-2021-41840


An issue was discovered in NvmExpressDxe in the kernel 5.0 through 5.5 in Insyde InsydeH2O. There is an SMM callout that allows an attacker to access the System Management Mode and execute arbitrary code. This occurs because of Inclusion of Functionality from an Untrusted Control Sphere.


Published

2022-02-03T02:15:07.167

Last Modified

2024-11-21T06:26:52.477

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-770

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application insyde insydeh2o < 5.23.35 Yes
Application insyde insydeh2o < 5.32.35 Yes
Application insyde insydeh2o < 5.40.35 Yes

References