CVE-2021-41840

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 03-02-2022 03:15

Last modified: - 29-03-2022 06:36

Total changes: - 5

Description

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Low

Attack complexity

Local

Attack vector

High

Availability

High

Confidentiality

High

Integrity

High

Privileges required

Changed

Scope

None

User interaction

8.2

Base score

1.5

6.0

Exploitability score

Impact score

Verification logic

vendor=insyde AND product=insydeh2o AND versionStartIncluding=5.2 AND versionEndExcluding=5.23.35

vendor=insyde AND product=insydeh2o AND versionStartIncluding=5.3 AND versionEndExcluding=5.32.35

vendor=insyde AND product=insydeh2o AND versionStartIncluding=5.4 AND versionEndExcluding=5.40.35

Reference

Keywords

CVE-2021-41840

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-41840

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures