How severe is CVE-2021-33059?

CVE-2021-33059 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-33059 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33059?

CVE-2021-33059 affects Intel Administrative Tools For Intel Network Adapters. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33059?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-33059 published?

CVE-2021-33059 was published on 2021-11-17 and last updated on 2026-06-17.

CVE-2021-33059

CVE-2021-33059 is a medium-severity vulnerability in Intel Administrative Tools For Intel Network Adapters with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
CVSS v2: 4.6
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Intel Administrative Tools For Intel Network Adapters
Published: 2021-11-17
Last modified: 2026-06-17

Description

Improper input validation in the Intel(R) Administrative Tools for Intel(R) Network Adapters driver for Windows before version 1.4.0.15, may allow a privileged user to potentially enable escalation of privilege via local access.

Frequently asked questions

What is CVE-2021-33059?: Improper input validation in the Intel(R) Administrative Tools for Intel(R) Network Adapters driver for Windows before version 1.4.0.15, may allow a privileged user to potentially enable escalation of privilege via local access.
How severe is CVE-2021-33059?: CVE-2021-33059 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-33059 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33059?: CVE-2021-33059 affects Intel Administrative Tools For Intel Network Adapters. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33059?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33059 published?: CVE-2021-33059 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:*:*

More vulnerabilities in Intel Administrative Tools For Intel Network Adapters

CVE-2021-33058 — High (CVSS 7.8): Improper access control in the installer Intel(R)Administrative Tools for Intel(R) Network Adaptersfor Windowsbefore…
CVE-2019-0159 — High (CVSS 7.8): Insufficient memory protection in the Linux Administrative Tools for Intel(R) Network Adapters before version 24.3 may…
CVE-2023-33870 — Medium (CVSS 6.7): Insecure inherited permissions in some Intel(R) Ethernet tools and driver install software may allow an authenticated…
CVE-2022-41314 — Medium (CVSS 6.7): Uncontrolled search path in some Intel(R) Network Adapter installer software may allow an authenticated user to…
CVE-2022-27808 — Medium (CVSS 6.3): Insufficient control flow management in some Intel(R) Ethernet Controller Administrative Tools drivers for Windows…

All CVEs affecting Intel Administrative Tools For Intel Network Adapters →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →