How severe is CVE-2021-33058?

CVE-2021-33058 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-33058 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33058?

CVE-2021-33058 affects Intel Administrative Tools For Intel Network Adapters. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33058?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-33058 published?

CVE-2021-33058 was published on 2021-11-17 and last updated on 2026-06-17.

CVE-2021-33058

CVE-2021-33058 is a high-severity vulnerability in Intel Administrative Tools For Intel Network Adapters with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Intel Administrative Tools For Intel Network Adapters
Published: 2021-11-17
Last modified: 2026-06-17

Description

Improper access control in the installer Intel(R)Administrative Tools for Intel(R) Network Adaptersfor Windowsbefore version 1.4.0.21 may allow an unauthenticated user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2021-33058?: Improper access control in the installer Intel(R)Administrative Tools for Intel(R) Network Adaptersfor Windowsbefore version 1.4.0.21 may allow an unauthenticated user to potentially enable escalation of privilege via local access.
How severe is CVE-2021-33058?: CVE-2021-33058 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-33058 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33058?: CVE-2021-33058 affects Intel Administrative Tools For Intel Network Adapters. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33058?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-33058 published?: CVE-2021-33058 was published on 2021-11-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:intel:administrative_tools_for_intel_network_adapters:*:*:*:*:*:windows:*:*

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