HIGH · 8.4

CVE-2023-31100

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....

Vulnerability 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 Score

8.4

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
PhoenixtechSecurecore Technology>= 4.3.0.0, < 4.3.0.203

Related Weaknesses (CWE)

References

FAQ

What is CVE-2023-31100?

CVE-2023-31100 is a vulnerability with a CVSS score of 8.4 (HIGH). 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....

How severe is CVE-2023-31100?

CVE-2023-31100 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-31100?

Check the references section above for vendor advisories and patch information. Affected products include: Phoenixtech Securecore Technology.