CVE-2021-43772: SECURITY BULLETIN: Folder Shield protected folder bypass

LAST UPDATED: NOV 30, 2021

Release Date: Nov 29, 2021

Trend Micro Vulnerability Identifier: CVE-2021-43772

Platform(s): Windows OS

CVSSv3 Score: 5.5: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Severity Rating: Medium

Summary

Trend Micro has released a new version of Trend Micro Security. This update resolves the Folder Shield protected folder bypass affecting the Trend Micro Security 2021 family of consumer products.

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 new version resolves a vulnerability in the product that allows files inside the protected folder to be modified without any detection.

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

Mitigating Factors

None identified. Customers are advised to ensure they always have the latest version of the program.

Acknowledgment

Trend Micro would like to thank Amir Ahmadi (@KingAmir) 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.

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