vulnerability

Trend Micro Apex One: CVE-2021-45442: Improper Link Resolution Before File Access

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:N/I:C/A:C)
Published
Dec 29, 2021
Added
Jun 13, 2025
Modified
Apr 6, 2026

Description

A link following denial-of-service vulnerability in Trend Micro Worry-Free Business Security (on prem only) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. This is similar to, but not the same as CVE-2021-44024. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Solution

trend-micro-apex-one-upgrade-latest
Title
Rapid7 Labs

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