CVE-2023-31100

HighCVSS 7.1/10Last modified Jun 17, 2026

Description

Improper Access Control in SMI handler vulnerability in Phoenix SecureCore™ Technology™ 4 allows SPI flash modification. This issue affects SecureCore™ Technology™ 4:

* from 4.3.0.0 before 4.3.0.203 *

from

4.3.1.0 before 4.3.1.163 *

from

4.4.0.0 before 4.4.0.217 *

from

4.5.0.0 before 4.5.0.138

Metrics

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

Weakness enumeration

CWE-284

Affected software

No affected versions have been published.

Timeline

Published: Nov 15, 2023
Last modified: Jun 17, 2026
NVD status: Analyzed

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