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Vulnerability record · CVE-2021-43772 · published 3 December 2021

CVE-2021-43772: Trendmicro antivirus\+ security vulnerability

Trendmicro · Antivirus\+ Security

Trend Micro Security 2021 v17.0 (Consumer) contains a vulnerability that allows files inside the protected folder to be modified without any detection.

5.5 CVSS 3.1 Medium EPSS 0.21% · top 89.8% CWE-552 · CWE-552
5.5CVSS 3.1 base score, v2 2.1
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Trend Micro Security 2021 v17.0 (Consumer) contains a vulnerability that allows files inside the protected folder to be modified without any detection.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://helpcenter.trendmicro.com/en-us/article/tmka-10855 Vendor Advisory
https://helpcenter.trendmicro.com/en-us/article/tmka-10855 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-43772), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.