CVE-2021-33158

HIGH
Published Feb 23, 2024 Modified Jan 9, 2026 CWE-86

Description

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.

CVSS v3.1 Score

7.2
HIGH
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:H

Weakness Type (CWE)

CWE-86 CWE-86

Affected Products

Vendor Product
intel ethernet_controller_i225-it_firmware
intel ethernet_controller_i225-it
intel ethernet_controller_i225-lm_firmware
intel ethernet_controller_i225-lm
intel ethernet_controller_i225-v_firmware
intel ethernet_controller_i225-v
intel ethernet_adapter_complete_driver

References

Frequently Asked Questions

What is CVE-2021-33158? +
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. It has a CVSS v3.1 base score of 7.2 (HIGH).
How severe is CVE-2021-33158? +
CVE-2021-33158 has a CVSS v3.1 score of 7.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2021-33158? +
CVE-2021-33158 affects products from intel, specifically: ethernet_adapter_complete_driver, ethernet_controller_i225-it, ethernet_controller_i225-it_firmware, ethernet_controller_i225-lm, ethernet_controller_i225-lm_firmware, ethernet_controller_i225-v, ethernet_controller_i225-v_firmware. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2021-33158? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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