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TI-2021-12720 Aliases CVE-2021-33158

Improper neutralization in some Intel(R) Ethernet Adapters and Intel(R) Ethernet…

Priority LOW 31CWE-86Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Improper neutralization 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00214 11th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmwareSee references—No fix listedCNA
  • Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller I225 Manageability firmware Vendor— Affected See references Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:o:intel:ethernet_controller_i225-it_firmware:*:*:*:*:*:*:*:*before 1.87VulnerableIntel
cpe:2.3:h:intel:ethernet_controller_i225-it:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:o:intel:ethernet_controller_i225-lm_firmware:*:*:*:*:*:*:*:*before 1.87VulnerableIntel
cpe:2.3:h:intel:ethernet_controller_i225-lm:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:o:intel:ethernet_controller_i225-v_firmware:*:*:*:*:*:*:*:*before 1.87VulnerableIntel
cpe:2.3:h:intel:ethernet_controller_i225-v:-:*:*:*:*:*:*:*not specified by NVDRunning onIntel
cpe:2.3:a:intel:ethernet_adapter_complete_driver:*:*:*:*:*:*:*:*before 29.0.1VulnerableIntel
  • cpe:2.3:o:intel:ethernet_controller_i225-it_firmware:*:*:*:*:*:*:*:* Versions before 1.87 Vulnerable ·Intel
  • cpe:2.3:h:intel:ethernet_controller_i225-it:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:o:intel:ethernet_controller_i225-lm_firmware:*:*:*:*:*:*:*:* Versions before 1.87 Vulnerable ·Intel
  • cpe:2.3:h:intel:ethernet_controller_i225-lm:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:o:intel:ethernet_controller_i225-v_firmware:*:*:*:*:*:*:*:* Versions before 1.87 Vulnerable ·Intel
  • cpe:2.3:h:intel:ethernet_controller_i225-v:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Intel
  • cpe:2.3:a:intel:ethernet_adapter_complete_driver:*:*:*:*:*:*:*:* Versions before 29.0.1 Vulnerable ·Intel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-33158

References

  • TI-2021-12711 Improper input validation in Intel Ethernet Adapters and Intel Ethernet Controller I225… CVSS 3.1HIGH 8.6
  • TI-2021-12723 Improper access control in Intel Ethernet Adapters and Intel Ethernet Controller I225… CVSS 3.1HIGH 8.4
  • TI-2023-20568 Improper access control in Intel Ethernet tools and driver install software, CVSS 3.1HIGH 7.8
  • TI-2022-17415 Improper access control in Intel Ethernet Adapters and Intel Ethernet Controller I225… CVSS 3.1HIGH 7.8
  • TI-2021-12722 Improper input validation in Intel Ethernet Adapters and Intel Ethernet Controller I225… CVSS 3.1HIGH 7.2
  • TI-2021-12713 Uncaught exception in some Intel(R) Ethernet Adapters and Intel(R) Ethernet Controller… CVSS 3.1HIGH 7.2
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences