cbcvebase.
CVE-2023-20578
published 2024-08-13

CVE-2023-20578: A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications…

PriorityP431medium6.4CVSS 3.1
AVLACHPRHUINSUCHIHAH
EPSS
0.12%
1.9th percentile
A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.

Affected

105 ranges· showing 25
VendorProductVersion rangeFixed in
amdepyc_7001_firmware< naplespi_1.0.0.knaplespi_1.0.0.k
amdepyc_7203_firmware< milanpi_1.0.0.5milanpi_1.0.0.5
amdepyc_7203p_firmware< milanpi_1.0.0.5milanpi_1.0.0.5
amdepyc_7232p_firmware< romepi_1.0.0.gromepi_1.0.0.g
amdepyc_7251_firmware< naplespi_1.0.0.knaplespi_1.0.0.k
amdepyc_7252_firmware< romepi_1.0.0.gromepi_1.0.0.g
amdepyc_7261_firmware< naplespi_1.0.0.knaplespi_1.0.0.k
amdepyc_7262_firmware< romepi_1.0.0.gromepi_1.0.0.g
amdepyc_7272_firmware< romepi_1.0.0.gromepi_1.0.0.g
amdepyc_7281_firmware< naplespi_1.0.0.knaplespi_1.0.0.k
amdepyc_7282_firmware< romepi_1.0.0.gromepi_1.0.0.g
amdepyc_72f3_firmware< milanpi_1.0.0.5milanpi_1.0.0.5
amdepyc_7301_firmware< naplespi_1.0.0.knaplespi_1.0.0.k
amdepyc_7302_firmware< romepi_1.0.0.gromepi_1.0.0.g
amdepyc_7302p_firmware< romepi_1.0.0.gromepi_1.0.0.g
amdepyc_7303_firmware< milanpi_1.0.0.5milanpi_1.0.0.5
amdepyc_7303p_firmware< milanpi_1.0.0.5milanpi_1.0.0.5
amdepyc_7313_firmware< milanpi_1.0.0.5milanpi_1.0.0.5
amdepyc_7313p_firmware< milanpi_1.0.0.5milanpi_1.0.0.5
amdepyc_7343_firmware< milanpi_1.0.0.5milanpi_1.0.0.5
amdepyc_7351_firmware< naplespi_1.0.0.knaplespi_1.0.0.k
amdepyc_7351p_firmware< naplespi_1.0.0.knaplespi_1.0.0.k
amdepyc_7352_firmware< romepi_1.0.0.gromepi_1.0.0.g
amdepyc_7371_firmware< naplespi_1.0.0.knaplespi_1.0.0.k
amdepyc_7373x_firmware< milanpi_1.0.0.5milanpi_1.0.0.5
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.