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

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CVE-2021-26338

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
16/11/2021
Last modified:
24/10/2022

Description

Improper access controls in System Management Unit (SMU) may allow for an attacker to override performance control tables located in DRAM resulting in a potential lack of system resources.

Impact

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

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

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

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

Base Score: 7.80 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Base Score 2.0
7.80
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:epyc_7f72_firmware:*:*:*:*:*:*:*:* romepi-sp3_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7f72:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7f52_firmware:*:*:*:*:*:*:*:* romepi-sp3_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7f52:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7f32_firmware:*:*:*:*:*:*:*:* romepi-sp3_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7f32:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7h12_firmware:*:*:*:*:*:*:*:* romepi-sp3_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7h12:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7742_firmware:*:*:*:*:*:*:*:* romepi-sp3_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7742:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7702_firmware:*:*:*:*:*:*:*:* romepi-sp3_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7702:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7702p_firmware:*:*:*:*:*:*:*:* romepi-sp3_1.0.0.c (excluding)
cpe:2.3:h:amd:epyc_7702p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7662_firmware:*:*:*:*:*:*:*:* romepi-sp3_1.0.0.c (excluding)

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


References to Advisories, Solutions, and Tools