AUGUST 4, 2026
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Case File

CVE-2021-41838

HIGH · CVSS 8.2 EPSS 0.30%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-02-03 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 8.2. See the original NVD description below for full technical details.

CVE
CVE-2021-41838
Severity
HIGH
CVSS
8.2
EPSS
0.30%

Original NVD Description

An issue was discovered in SdHostDriver 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 a Numeric Range Comparison Without a Minimum Check.

Related CVEs

Other vulnerabilities affecting the same vendor(s)