CVE-2021-33115 | Vulnetix

CVE-2021-33115 PUBLISHED CVSS 8.8 HIGH

Reported by intel · Published February 9, 2022

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

Fixed versions

Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.

Package	Ecosystem	Fixed in
uefi_wifi_driver	intel	1.2.8.21337

Risk scores

CVSS 3.1

8.8

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

Affected products

Vendor	Product	Versions
n/a	Intel(R) PROSet/Wireless WiFi in UEFI	See references
n/a	Intel(R) PROSet/Wireless WiFi in UEFI	*

Timeline

Feb 9, 2022 CVE Published
Feb 10, 2022 EPSS Score (30 in total, the first dated here)
May 5, 2025 CVE Updated
Jun 1, 2026 Security Advisory
Aug 1, 2026 Coalition ESS Score

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vulnetix vdb vuln CVE-2021-33115
vulnetix vdb fixes CVE-2021-33115

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  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2021-33115/fixes/registry"

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References

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