High severity8.4NVD Advisory· Published Nov 15, 2023· Updated Jun 17, 2026
CVE-2023-31100
CVE-2023-31100
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
34.3.0.0+ 1 more
- (no CPE)range: 4.3.0.0
- (no CPE)range: 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
- cpe:2.3:o:phoenixtech:securecore_technology:*:*:*:*:*:*:*:*Range: >=4.3.0.0,<4.3.0.203
Patches
Vulnerability mechanics
References
2- phoenixtech.com/phoenix-security-notifications/cve-2023-31100/nvdVendor Advisory
- www.phoenix.com/security-notifications/nvdNot Applicable
News mentions
0No linked articles in our index yet.