CVE-2023-31100

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CVSS 3.1

7.1 high

EPSS

<1%p9

Published

Nov 15, 2023 (Nov 15, 2023)

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

Vendors: phoenixtech
Products: securecore technology
Weakness: CWE-284
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.2%)

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