Home/CVE/Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user
CVE

CVE-2021-33164

Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user

Improper access control in BIOS firmware for some Intel(R) NUCs before version INWHL357.0046 may allow a privileged user to potentially enable escalation of privilege via local access.

HIGH · CVSS 8.2 EPSS 0.00112
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

4
intel nuc 8 mainstream-g kit nuc8i7inh firmware< inwhl357.0046
intel nuc 8 mainstream-g mini pc nuc8i7inh firmware< inwhl357.0046
intel nuc 8 mainstream-g kit nuc8i5inh firmware< inwhl357.0046
intel nuc 8 mainstream-g mini pc nuc8i5inh firmware< inwhl357.0046
▣

Scoring & Timeline

8.2
HIGH · CVSS v3.1 · secure@intel.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Nov 2022 · 04:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.htmlPatchVendor Advisory
https://www.kb.cert.org/vuls/id/434994
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