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CVE-2021-23217

7.5 · HIGH

NVIDIA GPU and Tegra hardware contain a vulnerability in the internal microcontroller, which may allow a user with elevated privileges to instantiate a DMA write operation only within a specific ti…

Published Nov 20, 2021EPSS 0.31%

Overview

CVE-2021-23217 is a high-severity vulnerability. It was published on November 20, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

NVIDIA GPU and Tegra hardware contain a vulnerability in the internal microcontroller, which may allow a user with elevated privileges to instantiate a DMA write operation only within a specific time window timed to corrupt code execution, which may impact confidentiality, integrity, or availability. The scope impact may extend to other components.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refnvidia.custhelp.com/app/answers/detail/a_id/5263Refnvidia.custhelp.com/app/answers/detail/a_id/5263

How CyberStrike helps

Frequently asked questions

What is CVE-2021-23217?

CVE-2021-23217 is a high-severity vulnerability. It was published on November 20, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-23217?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-23217?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-23217?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-23217 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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