Rapid7’s 2026 Global Cybersecurity Summit is now available on-demand.Watch sessions.
Rapid7

vulnerability

Trend Micro Apex One: CVE-2021-44022: Reachable Assertion

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
Oct 14, 2021
Added
Apr 29, 2025
Modified
Apr 6, 2026

Description

A reachable assertion vulnerability in Trend Micro Apex One could allow an attacker to crash the program on affected installations, leading to a denial-of-service (DoS). 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

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.