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Fencer Vulns
medium 6.0

CVE-2021-33142 json

Improper input validation in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may allow a privi…

published 2024-02-23 2 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19857

cvss
6.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits
0
none known

Summary

Improper input validation in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware may allow a privileged user to potentially enable denial of service via local access.

Patch / fix

  • intel ethernet_adapter_complete_driver 29.0.1
  • intel ethernet_controller_i225-it_firmware 1.87
  • intel ethernet_controller_i225-lm_firmware 1.87
  • intel ethernet_controller_i225-v_firmware 1.87

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.0 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Affected products

  • n/a Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware

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.