8.4
CWE
284
Advisory Published
Updated

CVE-2023-31100

First published: Tue Nov 14 2023(Updated: )

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

Credit: 22d9ba52-f336-4b0d-bf1f-0efbdcc3c1de

Affected SoftwareAffected VersionHow to fix
Phoenix Securecore Technology>=4.3.0.0<4.3.0.203
Phoenix Securecore Technology>=4.3.1.0<4.3.1.163
Phoenix Securecore Technology>=4.4.0.0<4.4.0.217
Phoenix Securecore Technology>=4.5.0.0<4.5.0.138

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Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2023-31100.

  • What is the title of the vulnerability?

    The title of the vulnerability is 'Improper Access Control in SMI handler vulnerability in Phoenix SecureCore™ Technology™ 4 allows SPI flash modification.'

  • What is the severity of CVE-2023-31100?

    The severity of CVE-2023-31100 is high with a CVSS score of 8.4.

  • What software versions are affected by CVE-2023-31100?

    SecureCore™ Technology™ 4 versions 4.3.0.0 - 4.3.0.203, 4.3.1.0 - 4.3.1.163, 4.4.0.0 - 4.4.0.217, and 4.5.0.0 - 4.5.0.138 are affected by CVE-2023-31100.

  • How can I fix CVE-2023-31100?

    To fix CVE-2023-31100, it is recommended to update SecureCore™ Technology™ 4 to version 4.5.0.138 or later.

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