← Vulnerability feed
Atom C3308 Intel
Atom C3336 Intel
Atom C3338 Intel
Atom C3338r Intel
Atom C3436l Intel
Atom C3508 Intel
Atom C3538 Intel
Atom C3558 Intel
Atom C3558r Intel
Atom C3708 Intel
Atom C3750 Intel
Atom C3758 Intel
Atom C3758r Intel
Atom C3808 Intel
Atom C3830 Intel
Atom C3850 Intel
Atom C3858 Intel
Atom C3950 Intel
Atom C3955 Intel
Atom C3958 Intel
Core I3 1000g1 Intel
Core I3 1000g4 Intel
Core I3 1005g1 Intel
Core I3 10100 Intel
Core I3 10100e Intel
Core I3 10100f Intel
Core I3 10100t Intel
Core I3 10100te Intel
Core I3 10100y Intel
Core I3 10105 Intel
Core I3 10105f Intel
Core I3 10105t Intel
Core I3 10110u Intel
Core I3 10110y Intel
Core I3 10300 Intel
Core I3 10300t Intel
Core I3 10305 Intel
Core I3 10305t Intel
Core I3 10320 Intel
Core I3 10325 Intel
Core I3 11100he Intel
Core I3 1110g4 Intel
Core I3 1115g4 Intel
Core I3 1115g4e Intel
Core I3 1115gre Intel
Core I3 1120g4 Intel
Core I3 1125g4 Intel
Core I3 6006u Intel
Core I3 6098p Intel
Core I3 6100 Intel
Core I3 6100e Intel
Core I3 6100h Intel
Core I3 6100t Intel
Core I3 6100te Intel
Core I3 6100u Intel
Core I3 6102e Intel
Core I3 6157u Intel
Core I3 6167u Intel
Core I3 6300 Intel
Core I3 6300t Intel
Core I3 6320 Intel
Core I3 7020u Intel
Core I3 7100 Intel
Core I3 7100e Intel
Core I3 7100h Intel
Core I3 7100t Intel
Core I3 7100u Intel
Core I3 7101e Intel
Core I3 7101te Intel
Core I3 7102e Intel
Core I3 7130u Intel
Core I3 7167u Intel
Core I3 7300 Intel
Core I3 7300t Intel
Core I3 7320 Intel
Core I3 7350k Intel
Core I3 8100 Intel
Core I3 8100b Intel
Core I3 8100h Intel
Core I3 8100t Intel
Start free
Open in platform
Vulnerability record · CVE-2021-0091 · published 9 February 2022
CVE-2021-0091: Intel atom c3308 vulnerability
Intel · Atom C3308
Improper access control in the firmware for some Intel(R) Processors may allow an unauthenticated user to potentially enable an escalation of privilege via local access.
7.8 CVSS 3.1 High EPSS 0.33% · top 75.8%
7.8CVSS 3.1 base score, v2 7.2
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
150Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD
Description
Improper access control in the firmware for some Intel(R) Processors may allow an unauthenticated user to potentially enable an escalation of privilege via local access.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
150 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
Atom C3308 Intel
Atom C3336 Intel
Atom C3338 Intel
Atom C3338r Intel
Atom C3436l Intel
Atom C3508 Intel
Atom C3538 Intel
Atom C3558 Intel
Atom C3558r Intel
Atom C3708 Intel
Atom C3750 Intel
Atom C3758 Intel
Atom C3758r Intel
Atom C3808 Intel
Atom C3830 Intel
Atom C3850 Intel
Atom C3858 Intel
Atom C3950 Intel
Atom C3955 Intel
Atom C3958 Intel
Core I3 1000g1 Intel
Core I3 1000g4 Intel
Core I3 1005g1 Intel
Core I3 10100 Intel
Core I3 10100e Intel
Core I3 10100f Intel
Core I3 10100t Intel
Core I3 10100te Intel
Core I3 10100y Intel
Core I3 10105 Intel
Core I3 10105f Intel
Core I3 10105t Intel
Core I3 10110u Intel
Core I3 10110y Intel
Core I3 10300 Intel
Core I3 10300t Intel
Core I3 10305 Intel
Core I3 10305t Intel
Core I3 10320 Intel
Core I3 10325 Intel
Core I3 11100he Intel
Core I3 1110g4 Intel
Core I3 1115g4 Intel
Core I3 1115g4e Intel
Core I3 1115gre Intel
Core I3 1120g4 Intel
Core I3 1125g4 Intel
Core I3 6006u Intel
Core I3 6098p Intel
Core I3 6100 Intel
Core I3 6100e Intel
Core I3 6100h Intel
Core I3 6100t Intel
Core I3 6100te Intel
Core I3 6100u Intel
Core I3 6102e Intel
Core I3 6157u Intel
Core I3 6167u Intel
Core I3 6300 Intel
Core I3 6300t Intel
Core I3 6320 Intel
Core I3 7020u Intel
Core I3 7100 Intel
Core I3 7100e Intel
Core I3 7100h Intel
Core I3 7100t Intel
Core I3 7100u Intel
Core I3 7101e Intel
Core I3 7101te Intel
Core I3 7102e Intel
Core I3 7130u Intel
Core I3 7167u Intel
Core I3 7300 Intel
Core I3 7300t Intel
Core I3 7320 Intel
Core I3 7350k Intel
Core I3 8100 Intel
Core I3 8100b Intel
Core I3 8100h Intel
Core I3 8100t Intel
References
| Link | Tags |
|---|---|
| https://security.netapp.com/advisory/ntap-20220210-0007/ | Third Party Advisory |
| https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00527.html | Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20220210-0007/ | Third Party Advisory |
| https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00527.html | Vendor Advisory |
Track CVE-2021-0091 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
7.8CVE-2021-0099Intel atom c3308 vulnerabilityInsufficient control flow management in the firmware for some Intel(R) Processors may allow an authenticated user to potentially enable an escalation…EPSS 0.30%6.8CVE-2021-33150Intel atom c2308 vulnerabilityHardware allows activation of test or debug logic at runtime for some Intel(R) Trace Hub instances which may allow an unauthenticated user to potenti…EPSS 0.35%6.7CVE-2021-0115Intel atom c3308 classic buffer overflow vulnerabilityBuffer overflow in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local acce…EPSS 0.33%6.7CVE-2021-0103Intel atom c3308 vulnerabilityInsufficient control flow management in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escalation of …EPSS 0.30%6.7CVE-2021-0107Intel atom c3308 unchecked return value vulnerabilityUnchecked return value in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via loc…EPSS 0.30%6.7CVE-2021-0111Intel atom c3308 null pointer dereference vulnerabilityNULL pointer dereference in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escalation of privilege vi…EPSS 0.30%6.7CVE-2021-0114Intel atom c3000 insecure default initialization vulnerabilityUnchecked return value in the firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escalation of privilege via …EPSS 0.27%6.7CVE-2021-0144Intel atom c3000 insecure default initialization vulnerabilityInsecure default variable initialization for the Intel BSSA DFT feature may allow a privileged user to potentially enable an escalation of privilege …EPSS 0.33%
Source: NIST National Vulnerability Database (record CVE-2021-0091), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.
