CVE-2023-52711

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Various Issues Due To Exposed SMI Handler in AmdPspP2CmboxV2. The first issue can be leveraged to bypass the protections that have been put in place by previous UEFI phases to prevent direct access to the SPI flash. The second issue can be used to both leak and corrupt SMM memory thus potentially leading code execution in SMM

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-284CWE-401

Affected software

No affected versions have been published.

Timeline

Published
May 28, 2024
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2023-52711: High severity, CVSS 7.8 | Vulnix