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CVE-2023-31100

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CVE-2023-31100

Published: Nov 14, 2023

Modified: Jul 28, 2025

PUBLISHED

CVSS v3.1

8.4

HIGH

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

VendorProductVersions

Phoenix

SecureCore™ Technology™ 4

affected
4.3.0.0 - < 4.3.0.203
affected
4.3.1.0 - < 4.3.1.163
affected
4.4.0.0 - < 4.4.0.217
affected
4.5.0.0 - < 4.5.0.138

Weaknesses (CWE)

CWE-284

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

High

Availability

High

References

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