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CVE-2021-44023

7.1 · HIGH

A link following denial-of-service (DoS) vulnerability in the Trend Micro Security (Consumer) 2021 familiy of products could allow an attacker to abuse the PC Health Checkup feature of the product…

Published Dec 16, 2021CWE-59EPSS 0.42%

Overview

CVE-2021-44023 is a high-severity vulnerability. It was published on December 16, 2021 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

A link following denial-of-service (DoS) vulnerability in the Trend Micro Security (Consumer) 2021 familiy of products could allow an attacker to abuse the PC Health Checkup feature of the product to create symlinks that would allow modification of files which could lead to a 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

Refhelpcenter.trendmicro.com/en-us/article/tmka-10867Refwww.zerodayinitiative.com/advisories/ZDI-21-1536/Refhelpcenter.trendmicro.com/en-us/article/tmka-10867Refwww.zerodayinitiative.com/advisories/ZDI-21-1536/

How CyberStrike helps

Frequently asked questions

What is CVE-2021-44023?

CVE-2021-44023 is a high-severity vulnerability. It was published on December 16, 2021 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2021-44023?

This vulnerability has a CVSS 3.1 base score of 7.1, 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-2021-44023?

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-2021-44023?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-44023 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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