CVE-2023-20587

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution.

Metrics

CVSS 3.1 7.1/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 13, 2024
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2023-20587: High severity, CVSS 7.1 | Vulnix