CVE-2023-31100

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

CVSS v3 8.4 HIGH

8.4^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.0 / Impact : 5.8

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://phoenixtech.com/phoenix-security-notifications/cve-2023-31100/
https://www.phoenix.com/security-notifications/	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:phoenix:securecore_technology::::::::
	cpe:2.3:o:phoenix:securecore_technology::::::::
	cpe:2.3:o:phoenix:securecore_technology::::::::
	cpe:2.3:o:phoenix:securecore_technology::::::::

History

28 Jul 2025, 21:15

Type	Values Removed	Values Added
References		() https://phoenixtech.com/phoenix-security-notifications/cve-2023-31100/ -
Summary	(en) 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	(en) 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

Information

Published : 2023-11-15 00:15

Updated : 2025-07-28 21:15

NVD link : CVE-2023-31100

Mitre link : CVE-2023-31100

CVE.ORG link : CVE-2023-31100

JSON object : View

Products Affected

phoenix

securecore_technology

CWE

CWE-284

Improper Access Control

NVD-CWE-Other

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