CVE-2023-31100
High
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
SeverityHigh
CVSS8.4
Exploit probability—
ProductPhoenixtech Securecore Technology
PublishedNov 15, 2023
First seenNov 15, 2023
Weakness typeCWE-284Improper access control
How to fix
Update
- phoenixtech securecore_technology4.3.0.203, 4.3.1.163, 4.4.0.217, 4.5.0.138 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| phoenixtech securecore_technology | 4.3.0.0 ≤ v < 4.3.0.203, 4.3.1.0 ≤ v < 4.3.1.163, 4.4.0.0 ≤ v < 4.4.0.217, 4.5.0.0 ≤ v < 4.5.0.138 | 4.3.0.203, 4.3.1.163, 4.4.0.217, 4.5.0.138 |
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