What is CVE-2023-28468?

CVE-2023-28468 is a medium-severity vulnerability in Insyde Kernel, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2023-08-03.

How severe is CVE-2023-28468?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Insyde Kernel

CVE-2023-28468

An issue was discovered in FvbServicesRuntimeDxe in Insyde InsydeH2O with kernel 5.0 through 5.5. The FvbServicesRuntimeDxe SMM module exposes an SMI handler that allows an attacker to interact with the SPI flash at run-time from the OS.

Vulnerability class: Broken Access Control

EPSS: 0.002 (5.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.

Affected products

Insyde Kernel
N/a — versions n/a

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@mitre.org (Not Applicable)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2023-28468?: CVE-2023-28468 is a medium-severity vulnerability in Insyde Kernel, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2023-08-03.
How severe is CVE-2023-28468?: Medium severity. CVSS v3 base score is 6.5 out of 10.