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-2021-26317

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
12/05/2022
Last modified:
08/08/2023

Description

Failure to verify the protocol in SMM may allow an attacker to control the protocol and modify SPI flash resulting in a potential arbitrary code execution.

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:a:amd:radeon_software:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_2200u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_2200u:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5300g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5300g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5300ge_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5300ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600ge_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600x:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5700g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5700g:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools