CVE-2021-33103

Home/CVE/Unintended intermediary in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user t

CVE

Unintended intermediary in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user t

Unintended intermediary in the BIOS authenticated code module for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.

MEDIUM · CVSS 6.7 EPSS 0.00085

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Affected Products & Versions

intel xeon e-2386g firmwareall versions
intel xeon e-2374g firmwareall versions
intel xeon e-2314 firmwareall versions
intel xeon e-2334 firmwareall versions
intel xeon e-2356g firmwareall versions
intel xeon e-2378 firmwareall versions
intel xeon e-2324g firmwareall versions
intel xeon e-2378g firmwareall versions
Show all 60 affected productsintel xeon e-2336 firmwareall versions
intel xeon e-2388g firmwareall versions
intel xeon w-1350 firmwareall versions
intel xeon w-1370 firmwareall versions
intel xeon w-1370p firmwareall versions
intel xeon w-1390 firmwareall versions
intel xeon w-1390p firmwareall versions
intel xeon w-1390t firmwareall versions
intel xeon w-1350p firmwareall versions
intel core i3-1000g1 firmwareall versions
intel core i3-1000g4 firmwareall versions
intel core i3-1005g1 firmwareall versions
intel core i3-10100 firmwareall versions
intel core i3-10100e firmwareall versions
intel core i3-10100f firmwareall versions
intel core i3-10100t firmwareall versions
intel core i3-10100te firmwareall versions
intel core i3-10100y firmwareall versions
intel core i3-10105 firmwareall versions
intel core i3-10105f firmwareall versions
intel core i3-10105t firmwareall versions
intel core i3-10110u firmwareall versions
intel core i3-10110y firmwareall versions
intel core i3-10300 firmwareall versions
intel core i3-10300t firmwareall versions
intel core i3-10305 firmwareall versions
intel core i3-10305t firmwareall versions
intel core i3-10320 firmwareall versions
intel core i3-10325 firmwareall versions
intel core i3-11100he firmwareall versions
intel core i3-1110g4 firmwareall versions
intel core i3-1115g4 firmwareall versions
intel core i3-1115g4e firmwareall versions
intel core i3-1115gre firmwareall versions
intel core i3-1120g4 firmwareall versions
intel core i3-1125g4 firmwareall versions
intel core i3-9100 firmwareall versions
intel core i3-9100e firmwareall versions
intel core i3-9100f firmwareall versions
intel core i3-9100hl firmwareall versions
intel core i3-9100t firmwareall versions
intel core i3-9100te firmwareall versions
intel core i3-9300 firmwareall versions
intel core i3-9300t firmwareall versions
intel core i3-9320 firmwareall versions
intel core i3-9350k firmwareall versions
intel core i3-9350kf firmwareall versions
intel core i5-10200h firmwareall versions
intel core i5-10210u firmwareall versions
intel core i5-10210y firmwareall versions
intel core i5-10300h firmwareall versions
intel core i5-1030g4 firmwareall versions

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Scoring & Timeline

6.7

MEDIUM · 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 NVD12 May 2022 · 05:15 PM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

SSVC triage · cisa-vulnrichment

Exploitation

none

Automatable

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.

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://security.netapp.com/advisory/ntap-20220818-0003/Third Party Advisory

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00601.htmlVendor Advisory

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