CVE-2021-36343

7.5 HIGH

Published: January 24, 2022 Modified: February 23, 2026

Description

Dell BIOS contains an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://www.dell.com/support/kbdoc/en-us/000193321/dsa-2021-240

Source: security_alert@emc.com

Vendor Advisory

https://www.dell.com/support/kbdoc/en-us/000193321/dsa-2021-240

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

2 reference(s) from NVD

Quick Stats

CVSS v3 Score

7.5 / 10.0

EPSS (Exploit Probability)

0.0%

12th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-119 CWE-20

Affected Vendors

dell

Related CVEs