CVE-2020-24563: Trend Micro Apex One Authentication Bypass Vulnerability

Published Sep 28, 2020
·
Updated

A vulnerability in Trend Micro Apex One may allow a local attacker to manipulate the process of the security agent unload option (if configured), which then could be manipulated to gain a privilege escalation and code execution. An attacker must first obtain the ability to execute low-privileged code on the target in order to exploit this vulnerability.

Other sources

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the ApexOne Security Agent. The issue results from allowing authentication to be bypassed via a modified client that omits the authentication check. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of SYSTEM.

Affected Software

4 affected components
Trend Micro Apex One
trendmicro Apex One=2019
trendmicro Apex One=saas
Microsoft Windows

Event History

Sep 28, 2020
CVE Published
via MITRE·11:30 PM
Data Sourced
via MITRE·11:30 PM
DescriptionWeakness
Feb 24, 2025
Advisory Published
via ZDI·09:35 AM

Frequently Asked Questions

1

What is the severity of CVE-2020-24563?

CVE-2020-24563 has a medium severity rating due to its potential for privilege escalation and code execution.

2

How do I fix CVE-2020-24563?

To fix CVE-2020-24563, ensure that the latest security updates for Trend Micro Apex One are applied.

3

Who is affected by CVE-2020-24563?

CVE-2020-24563 affects users of Trend Micro Apex One versions 2019 and SaaS implementations.

4

What type of attack is CVE-2020-24563 associated with?

CVE-2020-24563 is associated with local privilege escalation attacks.

5

What is the potential impact of CVE-2020-24563?

The potential impact of CVE-2020-24563 includes unauthorized code execution and elevated privileges within the system.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203