CVE-2021-0066
HIGHCVSS 8.4/10EPSS 0.32%
Last modified
CVE-2021-0066 is a high-severity vulnerability rated 8.4/10 on the CVSS scale. Improper input validation in firmware for Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthenticated user to potentially enable escalation of privilege via local access.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.
Description
Improper input validation in firmware for Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthenticated user to potentially enable escalation of privilege via local access.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Intel | Amt Ac 8260 Firmware | < 11.8.90 |
| Intel | Amt Ac 8265 Firmware | < 11.8.90 |
| Intel | Amt Ac 9260 Firmware | < 12.0.85 |
| Intel | Amt Ac 9560 Firmware | < 12.0.85 |
| Intel | Amt Wi-Fi 6 Ax200 Firmware | < 12.0.85 |
| Intel | Amt Wi-Fi 6 Ax200 Firmware | >= 14.0.0, < 14.1.60 |
| Intel | Amt Wi-Fi 6 Ax200 Firmware | >= 15.0.0, < 15.0.35 |
| Intel | Amt Wi-Fi 6 Ax201 Firmware | >= 14.0.0, < 14.1.60 |
| Intel | Amt Wi-Fi 6 Ax201 Firmware | >= 15.0.0, < 15.0.35 |
| Intel | Amt Wi-Fi 6 Ax210 Firmware | < 15.0.35 |
| Intel | Proset Ac 3165 Firmware | < 22.60 |
| Intel | Proset Ac 3168 Firmware | < 22.60 |
| Intel | Proset Ac 8260 Firmware | < 22.60 |
| Intel | Proset Ac 8265 Firmware | < 22.60 |
| Intel | Proset Ac 9260 Firmware | < 22.60 |
| Intel | Proset Ac 9461 Firmware | < 22.60 |
| Intel | Proset Ac 9462 Firmware | < 22.60 |
| Intel | Proset Ac 9560 Firmware | < 22.60 |
| Intel | Proset Wi-Fi 6 Ax200 Firmware | < 22.60 |
| Intel | Proset Wi-Fi 6 Ax201 Firmware | < 22.60 |
| Intel | Proset Wi-Fi 6e Ax210 Firmware | < 22.60 |
| Intel | Proset Wireless 7265 \(Rev D\) Firmware | < 22.60 |
| Intel | Killer Ac 1550 Firmware | < 3.0 |
| Intel | Killer Wi-Fi 6 Ax1650 Firmware | < 3.0 |
| Intel | Killer Wi-Fi 6e Ax1675 Firmware | < 3.0 |
References
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00539.htmlPatch, Vendor Advisory
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00539.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-0066?
Improper input validation in firmware for Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and Killer(TM) Wi-Fi in Windows 10 and 11 may allow an unauthenticated user to potentially enable escalation of privilege via local access.
How severe is CVE-2021-0066?
CVE-2021-0066 has a CVSS score of 8.4/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.
How do I fix CVE-2021-0066?
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-2021-0066?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST