SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-15604

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…

HIGH 7.5EPSS 1.36%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
1.36% probability · 71th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-295, CWE-494
Affected
trendmicro/antivirus\+ 2019 · trendmicro/internet security 2019 · trendmicro/maximum security 2019 · trendmicro/officescan cloud · trendmicro/premium security 2019
Source
security@trendmicro.com
EPSS trend
0%3%5%26 October 2026: 1.36%26 October 202626 October 2026

EPSS 1.4% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.