CVE-2021-36343

State: Published
Severity: 7.5 High
Published: Jan 24, 2022
Updated: Oct 7, 2026
Reserved: Jul 8, 2021

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H	dell

Weaknesses

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

Affected Products

Product	Versions
CPG BIOSDell	before 1.14Affected

References

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

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.