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

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CVE-2021-26321

Severity CVSS v4.0:
Pending analysis
Type:
CWE-77 Command Injection
Publication date:
16/11/2021
Last modified:
19/11/2021

Description

Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.

Impact

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

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
5.50
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

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

Base Score 2.0
4.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:epyc_7601_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7601:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7551p_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7551p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7551_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7551:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7501_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7501:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7451_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7451:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7401_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7401:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7371_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)
cpe:2.3:h:amd:epyc_7371:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7351p_firmware:*:*:*:*:*:*:*:* naplespi-sp3_1.0.0.g (excluding)

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


References to Advisories, Solutions, and Tools