CVSS 3.1 Score 6.5 of 10 (medium)


Published Aug 3, 2023
Updated: Aug 9, 2023
CWE ID 863


CVE-2023-28468 is a vulnerability discovered in FvbServicesRuntimeDxe in Insyde InsydeH2O with kernel versions 5.0 through 5.5. This vulnerability allows an attacker to interact with the SPI flash at runtime from the OS, by exploiting an SMI handler exposed by the FvbServicesRuntimeDxe SMM module. The vulnerability has a base severity rating of MEDIUM with a base score of 6.5 according to [email protected]. The affected products include o5g5Fx, o5g5Fw, o5g5Fz, o5g5Fy, o5g5F0, and o5g5Fv. The potential danger posed to organizations is that an attacker with low privileges can compromise the integrity of the system through unauthorized access to the SPI flash, which may lead to further exploitation or unauthorized modifications of firmware or data.


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