CVE Feed

    Dashboard / CVE / CVE-2023-31100

    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

    Published:Nov 14, 2023
    Last Modified:Sep 25, 2025
    EPS:Nov 14, 2023
    EPSS Score:0.00054
    CVSS Score:8.4

    Affected Products

    Vendor
    Phoenixtech
    Product
    Securecore Technology

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Related CVEs

    CVE-2024-12533 (CVSS 3.3) — Improper Check for Unusual or Exceptional Conditions vulnerability in Phoenix SecureCore Technology 4 allows I…
    CVE-2024-29980 (CVSS 4.6) — Improper Check for Unusual or Exceptional Conditions vulnerability in Phoenix SecureCore™ for Intel Kaby Lake,…
    CVE-2024-29979 (CVSS 4.6) — Improper Check for Unusual or Exceptional Conditions vulnerability in Phoenix SecureCore™ for Intel Kaby Lake,…
    CVE-2024-1598 (CVSS 7.5) — Potential buffer overflow in unsafe UEFI variable handling in Phoenix SecureCore™ for Intel Gemini Lake.Thi…
    CVE-2024-0762 (CVSS 7.5) — Potential buffer overflow in unsafe UEFI variable handling in Phoenix SecureCore™ for select Intel platform…
    CVE-2023-5058 (CVSS 7.8) — Improper Input Validation in the processing of user-supplied splash screen during system boot in Phoenix Secur…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High