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Bulletin Date: August 29, 2021

CVE Vulnerability Identifier: CVE-2021-36744

Platform: Microsoft Windows

CVSSv3 Score: 6.1: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Severity Rating: Medium

Summary

Trend Micro has released hotfixes for the Trend Micro Security 2021 and 2020 family of consumer products which resolves a Directory Junction Denial-Of-Service vulnerability.

Affected versions

PRODUCT AFFECTED VERSIONS PLATFORM LANGUAGE(S)
Trend Micro Security for Best Buy 2021 (v17.2) Windows English
Trend Micro Security 2021 (v17) Windows English
Trend Micro Security 2020 (v16) Windows English
Trend Micro Security 2019 (v15) Windows English

Solution

Trend Micro has released a hotfix available for each version below that resolves the issue:

PRODUCT HOTFIX PLATFORM LANGUAGE(S)
Trend Micro Security for Best Buy 2021 (v17.2)
(download here)
Windows English
Trend Micro Security 2021 (v17)
(download here)
Windows English
Trend Micro Security 2020 (v16)
(download here)
Windows English
Trend Micro Security 2019 (v15)
(download here)
Windows English

Vulnerability Details

Trend Micro Security (Consumer) 2021 and 2020 are vulnerable to a directory junction vulnerability which could allow an attacker to exploit the system to escalate privileges and create a denial of service.

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

Acknowledgement

Trend Micro would like to thank the following individual for responsibly disclosing the 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.

Reference

  • ZDI-CAN-13371
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