Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-46754

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
09/05/2023
Last modified:
13/02/2024

Description

Insufficient input validation in the ASP (AMD<br /> Secure Processor) bootloader may allow an attacker with a compromised Uapp or<br /> ABL to coerce the bootloader into exposing sensitive information to the SMU<br /> (System Management Unit) resulting in a potential loss of confidentiality and<br /> integrity.<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />

Impact

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

Base Score: 9.10 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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

Base Score 3.x
9.10
Severity 3.x
CRITICAL

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:ryzen_5300g_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5300g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5300ge_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5300ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5500_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5500:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600g_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600ge_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600x_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600x:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5700g_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools