CVE-2025-33221: Input Validation Flaw (CVSS 4.4)

Description

NVIDIA Display Driver for Windows and Linux contains a vulnerability in the kernel driver, where a user could cause an incorrect permission assignment for a critical resource. A successful exploit of this vulnerability might lead to data tampering and denial of service.

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CVSS v3.1 Score

4.4

MEDIUM

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

EPSS — Exploit Prediction

0.0018

Probability of exploitation

0.07%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-20 Improper Input Validation

References

Other References

https://nvd.nist.gov/vuln/detail/CVE-2025-33221 https://nvidia.custhelp.com/app/answers/detail/a_id/5821 https://www.cve.org/CVERecord?id=CVE-2025-33221

Frequently Asked Questions

What is CVE-2025-33221? +

NVIDIA Display Driver for Windows and Linux contains a vulnerability in the kernel driver, where a user could cause an incorrect permission assignment for a critical resource. A successful exploit of this vulnerability might lead to data tampering and denial of service. It has a CVSS v3.1 base score of 4.4 (MEDIUM).

How severe is CVE-2025-33221? +

CVE-2025-33221 has a CVSS v3.1 score of 4.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0018, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2025-33221? +

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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