CVE-2021-42011: Trend Micro Apex One Incorrect Permission Assignment Privilege Escalation Vulnerability

Published Oct 21, 2021
·
Updated

An incorrect permission assignment vulnerability in Trend Micro Apex One and Apex One as a Service could allow a local attacker to load a DLL with escalated privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system 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 incorrect permissions set on a resource used by the service. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.

Affected Software

7 affected components
Trend Micro Apex One
All of the following
Any of the following
trendmicro Apex One=2019
trendmicro Apex One=2019
Microsoft Windows
trendmicro Apex One=2019
trendmicro Apex One=2019
Microsoft Windows

Event History

Oct 21, 2021
CVE Published
via MITRE·07:46 AM
Data Sourced
via MITRE·07:46 AM
DescriptionWeakness
Feb 24, 2025
Advisory Published
via ZDI·09:35 AM

Frequently Asked Questions

1

What is the severity of CVE-2021-42011?

CVE-2021-42011 is classified as a high-severity vulnerability due to its potential for privilege escalation.

2

How do I fix CVE-2021-42011?

To fix CVE-2021-42011, you should apply the latest security updates provided by Trend Micro for Apex One.

3

Who is affected by CVE-2021-42011?

CVE-2021-42011 affects installations of Trend Micro Apex One version 2019.

4

What is the nature of CVE-2021-42011?

CVE-2021-42011 is a vulnerability related to incorrect permission assignments that can allow local attackers to load a DLL with elevated privileges.

5

Can CVE-2021-42011 be exploited remotely?

No, CVE-2021-42011 requires local access to the affected system to exploit the vulnerability.

Contact

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