SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-40540

Non-Transparent Sharing of Microarchitectural Resources in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.

MEDIUM 4.4EPSS 0.21%

Does this matter?

Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.

Description

Non-Transparent Sharing of Microarchitectural Resources in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.

CVSS 3.1
4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
EPSS
0.21% probability · 11th percentile
CISA KEV
Not listed
Weakness
CWE-1303
Affected
intel/nuc 11 pro kit nuc11tnkv50z firmware · intel/nuc 11 pro kit nuc11tnhv70l firmware · intel/nuc 11 pro kit nuc11tnhv50l firmware · intel/nuc 11 pro board nuc11tnbv7 firmware · intel/nuc 11 pro kit nuc11tnkv5 firmware · intel/nuc 11 pro kit nuc11tnkv7 firmware · intel/nuc 11 pro kit nuc11tnhv5 firmware · intel/nuc 11 pro mini pc nuc11tnkv5 firmware · intel/nuc 11 pro mini pc nuc11tnkv7 firmware · intel/nuc 11 pro kit nuc11tnhv7 firmware · intel/nuc 11 pro board nuc11tnbv5 firmware · intel/nuc 9 extreme laptop kit lapqc71b firmware · intel/nuc 9 extreme laptop kit lapqc71d firmware · intel/nuc 9 extreme laptop kit lapqc71c firmware · intel/nuc 9 extreme laptop kit lapqc71a firmware · intel/nuc 11 enthusiast kit nuc11phki7c firmware · intel/nuc 11 enthusiast mini pc nuc11phki7caa firmware · intel/nuc 11 pro kit nuc11tnhi70z firmware · intel/nuc 11 pro kit nuc11tnki70z firmware · intel/nuc 11 pro kit nuc11tnki30z firmware · +36 more
Source
secure@intel.com

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