What’s Vulnerable › Vulnerabilities

CVE-2021-33164

• Severity: medium (CVSS 6.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-11-11 · updated 2026-06-17

Description

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.

Affected products

• Intel Nuc 8 Mainstream-G Kit Nuc8I5Inh Firmware: before inwhl357.0046 — fixed in inwhl357.0046
• Intel Nuc 8 Mainstream-G Kit Nuc8I7Inh Firmware: before inwhl357.0046 — fixed in inwhl357.0046
• Intel Nuc 8 Mainstream-G Mini Pc Nuc8I5Inh Firmware: before inwhl357.0046 — fixed in inwhl357.0046
• Intel Nuc 8 Mainstream-G Mini Pc Nuc8I7Inh Firmware: before inwhl357.0046 — fixed in inwhl357.0046

How to fix

Upgrade to a fixed version: Intel Nuc 8 Mainstream-G Kit Nuc8I5Inh Firmware inwhl357.0046; Intel Nuc 8 Mainstream-G Kit Nuc8I7Inh Firmware inwhl357.0046; Intel Nuc 8 Mainstream-G Mini Pc Nuc8I5Inh Firmware inwhl357.0046; Intel Nuc 8 Mainstream-G Mini Pc Nuc8I7Inh Firmware inwhl357.0046. Check the vendor advisory for mitigations.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.html
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00752.html
• https://www.kb.cert.org/vuls/id/434994

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