CVE-2023-31100

HIGH EPSS 8.7%
Published Nov 15, 20232y ago · Modified Jun 17, 20261w ago
7.1 CVSS 3.1
High
Find Similar
Published Nov 15, 2023 2y ago
Last Modified Jun 17, 2026 1w ago

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

CVSS Details

Base Score
7.1
Exploitability
1.8
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
8.7% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-284

Affected Products 4

VendorProductVersionRange
phoenixtechsecurecore_technology*≥4.3.0.0  –  <4.3.0.203
phoenixtechsecurecore_technology*≥4.3.1.0  –  <4.3.1.163
phoenixtechsecurecore_technology*≥4.4.0.0  –  <4.4.0.217
phoenixtechsecurecore_technology*≥4.5.0.0  –  <4.5.0.138

References 2

  • phoenixtech.com https://phoenixtech.com/phoenix-security-notifications/cve-2023-31100/
    Vendor Advisory
  • phoenix.com https://www.phoenix.com/security-notifications/
    Not Applicable

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.