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

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CVE-2021-0159

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
12/05/2022
Last modified:
05/05/2025

Description

Improper input validation in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

Impact

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

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
7.80
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:intel:xeon_bronze_3204_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_bronze_3204:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_bronze_3206r_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_bronze_3206r:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5215_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_gold_5215:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5215l_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_gold_5215l:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5217_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_gold_5217:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5218_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_gold_5218:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5218b_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:intel:xeon_gold_5218b:-:*:*:*:*:*:*:*
cpe:2.3:o:intel:xeon_gold_5218n_firmware:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools