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CVE-2021-33161

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

High7.2EPSS 0.21%
Published
Updated
Reserved
Assigned by
intel

Description

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 escalation of privilege via local access.

Timeline

  1. ID reserved

    By intel

  2. · 3 years later

    Published

  3. · 3 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2021-33161, by who scored it
Scored byCVSSScoreVector
intelCNA (assigner)3.1High7.2CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H
NVDNVD · Analyzed3.1High7.2CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H
EPSS (exploitation in 30 days)
0.21% · top 89% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.

Weakness

Affected products

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

    • affected See references

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .