VulnerabilityAnalyzed

CVE-2023-31100

Improper Access Control in SMI handler vulnerability in Phoenix SecureCore™ Technology™ 4 allows SPI flash modification.

HIGH 7.1EPSS 0.19%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1: 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
EPSS: 0.19% probability · 9th percentile
CISA KEV: Not listed
Weakness: CWE-284
Affected: phoenixtech/securecore technology
Source: 22d9ba52-f336-4b0d-bf1f-0efbdcc3c1de

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.