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Release Date: December 10, 2021

Trend Micro Vulnerability Identifier: CVE-2021-44023

Platform(s): Windows OS

CVSS 3.0 Score: 2.8 (Low)

Summary

Trend Micro has released an updated version of the Trend Micro Security 2021 consumer family of products. This update resolves a link following denial-of-service (DoS) vulnerability.

Affected version(s)

PRODUCT AFFECTED VERSION(S) PLATFORM LANGUAGE(S)
Premium Security 2021 (v17) and below Microsoft Windows English
Maximum Security 2021 (v17) and below Microsoft Windows English
Internet Security 2021 (v17) and below Microsoft Windows English
Antivirus+ Security 2021 (v17) and below Microsoft Windows English

Solution

Trend Micro has released a version to resolve this issue:

PRODUCT AFFECTED VERSION(S) PLATFORM LANGUAGE(S)
All version above 2022 (v17.7) Microsoft Windows English

Vulnerability Details

This updated version resolves a vulnerability in the product that 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.

Trend Micro has received no reports nor is aware of any actual attacks against the affected products related to this vulnerability at this time.

Acknowledgment

Trend Micro would like to thank Michael DePlante (@izobashi) of Trend Micro Zero Day Initiative), for responsibly disclosing this issue and working with Trend Micro to help protect our customers.

Additional Assistance

Customers who have questions are encouraged to contact Trend Micro technical support for further assistance.

External Reference

  • ZDI-CAN-14587
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