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Vulnerability record · CVE-2020-15604 · published 24 September 2020

CVE-2020-15604: Trendmicro antivirus\+ 2019 improper certificate validation vulnerability

Trendmicro · Antivirus\+ 2019

An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family of products could allow an attacker to combine this vulnerability with another attack to trick an affected client into downloading a malicious update instead of the expected one. CWE-494: Update files are not properly verified.

7.5 CVSS 3.1 High EPSS 1.6% · top 24.8% CWE-295 · Improper certificate validationCWE-494 · Download of code without integrity check
7.5CVSS 3.1 base score, v2 5.0
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family of products could allow an attacker to combine this vulnerability with another attack to trick an affected client into downloading a malicious update instead of the expected one. CWE-494: Update files are not properly verified.

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

Affected products

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

References

LinkTags
https://helpcenter.trendmicro.com/en-us/article/TMKA-09890 Vendor Advisory
https://helpcenter.trendmicro.com/ja-jp/article/TMKA-09673 Vendor Advisory
https://jvn.jp/en/jp/JVN60093979/ Third Party Advisory
https://jvn.jp/jp/JVN60093979/ Third Party Advisory
https://helpcenter.trendmicro.com/en-us/article/TMKA-09890 Vendor Advisory
https://helpcenter.trendmicro.com/ja-jp/article/TMKA-09673 Vendor Advisory
https://jvn.jp/en/jp/JVN60093979/ Third Party Advisory
https://jvn.jp/jp/JVN60093979/ Third Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-15604), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.