What is the CVSS score of CVE-2021-0071?

CVE-2021-0071 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.4%.

Ax210 Firmware CVE-2021-0071

HIGH

Improper Input Validation (CWE-20)

2021-11-17 secure@intel.com

Intel Privilege Escalation Ax210 Firmware Ax201 Firmware Ax200 Firmware Ac 9560 Firmware Ac 9462 Firmware Ac 9461 Firmware 9260 Firmware Ac 9260 Firmware Ac 8265 Firmware Ac 8260 Firmware Ac 3168 Firmware 7265 Firmware Ac 3165 Firmware

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 17, 2021 - 20:15 nvd

HIGH 8.8

DescriptionNVD

Improper input validation in firmware for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access.

AnalysisAI

Improper input validation in firmware for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. Improper input validation in firmware for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enable escalation of privilege via adjacent access. Affected products include: Intel Ax210 Firmware, Intel Ax201 Firmware, Intel Ax200 Firmware, Intel Ac 9560 Firmware, Intel Ac 9462 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.