Vulnerability · Published Nov 14, 2023 · Assigned by Phoenix

CVE-2023-31100

High 8.4

In plain English

A high-severity improper access control in SecureCore™ Technology™ 4 from Phoenix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 3.1)8.4High
Exploit odds (30 days)0.2%top 91.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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

Affected products (as reported)

VendorProductVersions
Phoenix SecureCore™ Technology™ 4 4.3.0.0 – before 4.3.0.2034.3.1.0 – before 4.3.1.1634.4.0.0 – before 4.4.0.2174.5.0.0 – before 4.5.0.138

Weakness: CWE-284 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

References