CVE-2021-0187
HIGHCVSS 8.2/10EPSS 0.21%
Last modified
CVE-2021-0187 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. Improper access control in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escalation of privilege via local access.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
Improper access control in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escalation of privilege via local access.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Intel | Xeon Gold 6342 Firmware | All versions |
| Intel | Xeon Gold 6346 Firmware | All versions |
| Intel | Xeon Gold 6330 Firmware | All versions |
| Intel | Xeon Platinum 8360y Firmware | All versions |
| Intel | Xeon Gold 6354 Firmware | All versions |
| Intel | Xeon Gold 6314u Firmware | All versions |
| Intel | Xeon Gold 6338n Firmware | All versions |
| Intel | Xeon Silver 4314 Firmware | All versions |
| Intel | Xeon Silver 4316 Firmware | All versions |
| Intel | Xeon Gold 5318y Firmware | All versions |
| Intel | Xeon Gold 5317 Firmware | All versions |
| Intel | Xeon Gold 6334 Firmware | All versions |
| Intel | Xeon Gold 6326 Firmware | All versions |
| Intel | Xeon Silver 4309y Firmware | All versions |
| Intel | Xeon Gold 6348 Firmware | All versions |
| Intel | Xeon Silver 4310 Firmware | All versions |
| Intel | Xeon Gold 6338t Firmware | All versions |
| Intel | Xeon Gold 5318s Firmware | All versions |
| Intel | Xeon Gold 6336y Firmware | All versions |
| Intel | Xeon Gold 5318n Firmware | All versions |
| Intel | Xeon Gold 6312u Firmware | All versions |
| Intel | Xeon Silver 4310t Firmware | All versions |
| Intel | Xeon Gold 5320t Firmware | All versions |
| Intel | Xeon Gold 5320 Firmware | All versions |
| Intel | Xeon Gold 5315y Firmware | All versions |
| Intel | Xeon Platinum 8352m Firmware | All versions |
| Intel | Xeon Platinum 8362 Firmware | All versions |
| Intel | Xeon Platinum 8368 Firmware | All versions |
| Intel | Xeon Platinum 8358 Firmware | All versions |
| Intel | Xeon Platinum 8352y Firmware | All versions |
| Intel | Xeon Gold 6338 Firmware | All versions |
| Intel | Xeon Gold 6330n Firmware | All versions |
| Intel | Xeon Platinum 8380 Firmware | All versions |
| Intel | Xeon Platinum 8351n Firmware | All versions |
| Intel | Xeon Platinum 8368q Firmware | All versions |
| Intel | Xeon Platinum 8352s Firmware | All versions |
| Intel | Xeon Platinum 8358p Firmware | All versions |
| Intel | Xeon Platinum 8352v Firmware | All versions |
| Intel | Xeon Platinum 8360hl Firmware | All versions |
| Intel | Xeon Platinum 8360h Firmware | All versions |
| Intel | Xeon Platinum 8356h Firmware | All versions |
| Intel | Xeon Gold 6330h Firmware | All versions |
| Intel | Xeon Platinum 8380h Firmware | All versions |
| Intel | Xeon Gold 5318h Firmware | All versions |
| Intel | Xeon Gold 6328h Firmware | All versions |
| Intel | Xeon Gold 5320h Firmware | All versions |
| Intel | Xeon Platinum 8353h Firmware | All versions |
| Intel | Xeon Platinum 8354h Firmware | All versions |
| Intel | Xeon Gold 6348h Firmware | All versions |
| Intel | Xeon Platinum 8376h Firmware | All versions |
Showing 50 of 53 affected configurations. See NVD for the full list.
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-0187?
Improper access control in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable an escalation of privilege via local access.
How severe is CVE-2021-0187?
CVE-2021-0187 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2021-0187?
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-2021-0187?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST