Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2021-36342

Severity CVSS v4.0:
Pending analysis
Type:
CWE-119 Buffer Errors
Publication date:
24/01/2022
Last modified:
23/02/2026

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.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH
Vector 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
7.20
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:dell:precision_7510_firmware:*:*:*:*:*:*:*:* 1.24.3 (excluding)
cpe:2.3:h:dell:precision_7510:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:precision_7520_firmware:*:*:*:*:*:*:*:* 1.22.0 (excluding)
cpe:2.3:h:dell:precision_7520:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:precision_7530_firmware:*:*:*:*:*:*:*:* 1.18.2 (excluding)
cpe:2.3:h:dell:precision_7530:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:precision_7540_firmware:*:*:*:*:*:*:*:* 1.15.1 (excluding)
cpe:2.3:h:dell:precision_7540:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:precision_7550_firmware:*:*:*:*:*:*:*:* 1.10.1 (excluding)
cpe:2.3:h:dell:precision_7550:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:precision_7560_firmware:*:*:*:*:*:*:*:* 1.5.0 (excluding)
cpe:2.3:h:dell:precision_7560:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:precision_7710_firmware:*:*:*:*:*:*:*:* 1.24.3 (excluding)
cpe:2.3:h:dell:precision_7710:-:*:*:*:*:*:*:*
cpe:2.3:o:dell:precision_7720_firmware:*:*:*:*:*:*:*:* 1.22.0 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools