Medium severity · published Nov 14, 2023
CVE-2023-40220
Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access
4.4
CVSS
0.2%
EPSS
No
On KEV
Description
Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
Intel(R) NUC BIOS firmware ·
See references · source: vendor
NF
Nuc6cayh Firmware · Intel
before ayaplcel.86a.0076 · source: NVD
NF
Nuc6cays Firmware · Intel
before ayaplcel.86a.0076 · source: NVD
Affected product
IN
Intel(R) NUC BIOS firmware
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6.7
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6.7
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6.7
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Improper input validation in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable escalation of privilege via local access