CVE-2021-33103
MEDIUMCVSS 6.7/10EPSS 0.25%
Last modified
CVE-2021-33103 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Intel | Xeon E-2386g Firmware | All versions |
| Intel | Xeon E-2374g Firmware | All versions |
| Intel | Xeon E-2314 Firmware | All versions |
| Intel | Xeon E-2334 Firmware | All versions |
| Intel | Xeon E-2356g Firmware | All versions |
| Intel | Xeon E-2378 Firmware | All versions |
| Intel | Xeon E-2324g Firmware | All versions |
| Intel | Xeon E-2378g Firmware | All versions |
| Intel | Xeon E-2336 Firmware | All versions |
| Intel | Xeon E-2388g Firmware | All versions |
| Intel | Xeon W-1350 Firmware | All versions |
| Intel | Xeon W-1370 Firmware | All versions |
| Intel | Xeon W-1370p Firmware | All versions |
| Intel | Xeon W-1390 Firmware | All versions |
| Intel | Xeon W-1390p Firmware | All versions |
| Intel | Xeon W-1390t Firmware | All versions |
| Intel | Xeon W-1350p Firmware | All versions |
| Intel | Core I3-1000g1 Firmware | All versions |
| Intel | Core I3-1000g4 Firmware | All versions |
| Intel | Core I3-1005g1 Firmware | All versions |
| Intel | Core I3-10100 Firmware | All versions |
| Intel | Core I3-10100e Firmware | All versions |
| Intel | Core I3-10100f Firmware | All versions |
| Intel | Core I3-10100t Firmware | All versions |
| Intel | Core I3-10100te Firmware | All versions |
| Intel | Core I3-10100y Firmware | All versions |
| Intel | Core I3-10105 Firmware | All versions |
| Intel | Core I3-10105f Firmware | All versions |
| Intel | Core I3-10105t Firmware | All versions |
| Intel | Core I3-10110u Firmware | All versions |
| Intel | Core I3-10110y Firmware | All versions |
| Intel | Core I3-10300 Firmware | All versions |
| Intel | Core I3-10300t Firmware | All versions |
| Intel | Core I3-10305 Firmware | All versions |
| Intel | Core I3-10305t Firmware | All versions |
| Intel | Core I3-10320 Firmware | All versions |
| Intel | Core I3-10325 Firmware | All versions |
| Intel | Core I3-11100he Firmware | All versions |
| Intel | Core I3-1110g4 Firmware | All versions |
| Intel | Core I3-1115g4 Firmware | All versions |
| Intel | Core I3-1115g4e Firmware | All versions |
| Intel | Core I3-1115gre Firmware | All versions |
| Intel | Core I3-1120g4 Firmware | All versions |
| Intel | Core I3-1125g4 Firmware | All versions |
| Intel | Core I3-9100 Firmware | All versions |
| Intel | Core I3-9100e Firmware | All versions |
| Intel | Core I3-9100f Firmware | All versions |
| Intel | Core I3-9100hl Firmware | All versions |
| Intel | Core I3-9100t Firmware | All versions |
| Intel | Core I3-9100te Firmware | All versions |
Showing 50 of 193 affected configurations. See NVD for the full list.
References
- https://security.netapp.com/advisory/ntap-20220818-0003/Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220818-0003/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33103?
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.
How severe is CVE-2021-33103?
CVE-2021-33103 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33103?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-33103?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST