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CVE-2021-46794

7.5 · HIGH

Insufficient bounds checking in ASP (AMD Secure Processor) may allow for an out of bounds read in SMI (System Management Interface) mailbox checksum calculation triggering a data abort, resulting i…

Published May 9, 2023CWE-125EPSS 0.62%

Overview

CVE-2021-46794 is a high-severity vulnerability. It was published on May 9, 2023 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 can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Insufficient bounds checking in ASP (AMD Secure

Processor) may allow for an out of bounds read in SMI (System Management

Interface) mailbox checksum calculation triggering a data abort, resulting in a

potential denial of service.

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

Refwww.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001Refwww.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001

How CyberStrike helps

Frequently asked questions

What is CVE-2021-46794?

CVE-2021-46794 is a high-severity vulnerability. It was published on May 9, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-46794?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-46794?

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-2021-46794?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-46794 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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