CVE-2021-44023
7.1 · HIGHOverview
CVE-2021-44023 is a high-severity vulnerability affecting trendmicro antivirus\+_security_2021. 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 and patches from trendmicro. Update antivirus\+_security_2021 to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| trendmicro | antivirus\+_security_2021 | 0 | Affected |
| trendmicro | internet_security_2021 | 0 | Affected |
| trendmicro | maximum_security_2021 | 0 | Affected |
| trendmicro | premium_security_2021 | 0 | Affected |
Frequently Asked Questions
What is CVE-2021-44023?
CVE-2021-44023 is a high-severity vulnerability affecting trendmicro antivirus\+_security_2021. 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 and patches from trendmicro. Update antivirus\+_security_2021 to the latest patched version. 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's AI-powered security agents can automatically detect CVE-2021-44023 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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