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Fencer Vulns
high 8.8

CVE-2021-0071 json

Improper input validation in firmware for some Intel(R) PROSet/Wireless WiFi in UEFI may allow an unauthenticated user to potentially enabl…

published 2021-11-17 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-2690

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

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.

Patch / fix

  • intel ax210_firmware 22.40
  • intel ax201_firmware 22.40
  • intel ax200_firmware 22.40
  • intel ac_9560_firmware 22.40
  • intel ac_9462_firmware 22.40
  • intel ac_9461_firmware 22.40
  • intel ac_9260_firmware 22.40
  • intel ac_8265_firmware 22.40
  • intel ac_8260_firmware 22.40
  • intel ac_3168_firmware 22.40
  • intel 7265_firmware 22.40
  • intel ac_3165_firmware 22.40
  • kernel-firmware SLES for SAP 15 SP2, SLES for SAP 15 SP1, SLES 15 SP2-LTSS +12 more 20200107-150100.3.31.1
  • kernel-firmware SLE Module for Basesystem 15 SP3, SLE Micro 5.1 20210208-150300.4.7.1

suse advisories SUSE-SU-2022:1751-1SUSE-SU-2022:1065-1

  • kernel-firmware openSUSE Leap 15.3 20210208-150300.4.7.1

opensuse advisories openSUSE-SU-2022:1065-1

Exploit prediction

0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.8 AV:A/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a Intel(R) PROSet/Wireless WiFi in UEFI

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.