CVE-2021-33115

At a glance

Severity: HIGH 8.8
EPSS: EPSS 0.69 % · percentile 53 (2026-10-28)
State: PUBLISHED
Published: 2022-02-09
Updated: 2025-05-05
Assigner: intel
NVD status: Modified

Description

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
CVSS 2.0	MEDIUM 5.8	AV:A/AC:L/Au:N/C:P/I:P/A:P	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-20

European references

ENISA EUVD · EUVD-2021-19830
GCVE · GCVE-0-2021-33115

CERT-FR advisories

CERTFR-2026-AVI-0326 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2026-AVI-0316 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2022-AVI-127 — Multiples vulnérabilités dans les produits Intel · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:intel:uefi_wifi_driver:*:*:*:*:*:*:*:* < 1.2.8.21337

Affected products

Product	Versions
Intel(R) PROSet/Wireless WiFi in UEFI	affected See references

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00582.html

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD