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

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CVE-2021-26356

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/05/2023
Last modified:
28/01/2025

Description

A TOCTOU in ASP bootloader may allow an attacker<br /> to tamper with the SPI ROM following data read to memory potentially resulting<br /> in S3 data corruption and information disclosure.<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />

Impact

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

Base Score: 7.40 HIGH
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

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

Base Score 3.x
7.40
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:epyc_7001_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.h (excluding)
cpe:2.3:h:amd:epyc_7001:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7251_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.h (excluding)
cpe:2.3:h:amd:epyc_7251:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7261_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.h (excluding)
cpe:2.3:h:amd:epyc_7261:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7281_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.h (excluding)
cpe:2.3:h:amd:epyc_7281:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7301_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.h (excluding)
cpe:2.3:h:amd:epyc_7301:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7351_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.h (excluding)
cpe:2.3:h:amd:epyc_7351:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7351p_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.h (excluding)
cpe:2.3:h:amd:epyc_7351p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7371_firmware:*:*:*:*:*:*:*:* naplespi_1.0.0.h (excluding)

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


References to Advisories, Solutions, and Tools