CVE-2023-20577

HighCVSS 7.4/10Last modified Sep 4, 2026

Description

A heap overflow in SMM module may allow an attacker with access to a second vulnerability that enables writing to SPI flash, potentially resulting in arbitrary code execution.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-121

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published: Sep 2, 2026
Last modified: Sep 4, 2026
NVD status: Awaiting Analysis

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