What’s Vulnerable › Vulnerabilities

CVE-2021-0054

• 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: 2021-06-09 · updated 2026-06-17
• Weakness: CWE-119

Description

Improper buffer restrictions in system firmware for some Intel(R) NUCs may allow a privileged user to potentially enable escalation of privilege via local access.

Affected products

• Intel Nuc 10 Performance Kit Nuc10I3Fnh Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I3Fnhf Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I3Fnk Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I5Fnh Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I5Fnhf Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I5Fnhj Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I5Fnk Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I5Fnkp Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I7Fnh Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I7Fnhc Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I7Fnk Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Kit Nuc10I7Fnkp Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Mini Pc Nuc10I3Fnhfa Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Mini Pc Nuc10I3Fnhja Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Mini Pc Nuc10I5Fnhca Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Mini Pc Nuc10I5Fnhja Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Mini Pc Nuc10I5Fnkpa Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Mini Pc Nuc10I7Fnhaa Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Mini Pc Nuc10I7Fnhja Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 10 Performance Mini Pc Nuc10I7Fnkpa Firmware: before fncml.0050 — fixed in fncml.0050
• Intel Nuc 11 Compute Element Cm11Ebc4 Firmware: before ebtgl357.0045 — fixed in ebtgl357.0045
• Intel Nuc 11 Compute Element Cm11Ebi38W Firmware: before ebtgl357.0045 — fixed in ebtgl357.0045
• Intel Nuc 11 Compute Element Cm11Ebi58W Firmware: before ebtgl357.0045 — fixed in ebtgl357.0045
• Intel Nuc 11 Compute Element Cm11Ebi716W Firmware: before ebtgl357.0045 — fixed in ebtgl357.0045
• Intel Nuc 11 Enthusiast Kit Nuc11Phki7C Firmware: before phtgl579.0056 — fixed in phtgl579.0056
• Intel Nuc 11 Enthusiast Mini Pc Nuc11Phki7Caa Firmware: before phtgl579.0056 — fixed in phtgl579.0056
• Intel Nuc 11 Performance Kit Nuc11Pahi3 Firmware: before patgl357.0037 — fixed in patgl357.0037
• Intel Nuc 11 Performance Kit Nuc11Pahi5 Firmware: before patgl357.0037 — fixed in patgl357.0037
• Intel Nuc 11 Performance Kit Nuc11Pahi7 Firmware: before patgl357.0037 — fixed in patgl357.0037
• Intel Nuc 11 Performance Kit Nuc11Paki3 Firmware: before patgl357.0037 — fixed in patgl357.0037

How to fix

Upgrade to a fixed version: Intel Nuc 10 Performance Kit Nuc10I3Fnh Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I3Fnhf Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I3Fnk Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I5Fnh Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I5Fnhf Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I5Fnhj Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I5Fnk Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I5Fnkp Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I7Fnh Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I7Fnhc Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I7Fnk Firmware fncml.0050; Intel Nuc 10 Performance Kit Nuc10I7Fnkp Firmware fncml.0050. Check the vendor advisory for mitigations.

References

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00511.html
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00511.html

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