CVE-2023-31100 (GCVE-0-2023-31100)

Vulnerability from cvelistv5 – Published: 2023-11-14 23:17 – Updated: 2025-07-28 20:48
VLAI?
Summary
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
Severity ?
8.4 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
CWE
  • CWE-284 - Improper Access Control in SMI handler
Assigner
References
Impacted products
Vendor Product Version
Phoenix SecureCore™ Technology™ 4 Affected: 4.3.0.0 , < 4.3.0.203 (custom)
Affected: 4.3.1.0 , < 4.3.1.163 (custom)
Affected: 4.4.0.0 , < 4.4.0.217 (custom)
Affected: 4.5.0.0 , < 4.5.0.138 (custom)
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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.