CVE-2021-42106: Trend Micro Apex One Unnecessary Privileges Local Privilege Escalation Vulnerability
First published: Thu Oct 21 2021(Updated: )
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 Security Agent. The issue results from allowing an untrusted process to impersonate the client of a pipe. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.
Credit: security@trendmicro.com security@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Trendmicro Apex One | =2019 | |
| Trendmicro Apex One | =2019 | |
| Trendmicro Worry-free Business Security | =10.0-sp1 | |
| Trendmicro Worry-free Business Security Services | ||
| Microsoft Windows | ||
| Trend Micro Apex One | ||
| All of | ||
| Any of | ||
| Trendmicro Apex One | =2019 | |
| Trendmicro Apex One | =2019 | |
| Trendmicro Worry-free Business Security | =10.0-sp1 | |
| Trendmicro Worry-free Business Security Services | ||
| Microsoft Windows |
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Reference Links
Frequently Asked Questions
What is CVE-2021-42106?
CVE-2021-42106 is a vulnerability that allows local attackers to escalate privileges on affected installations of Trend Micro Apex One.
How can the CVE-2021-42106 vulnerability be exploited?
An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
What is the severity of CVE-2021-42106?
The severity of CVE-2021-42106 is rated as high, with a severity value of 7.8.
Which software is affected by CVE-2021-42106?
Trend Micro Apex One and Trend Micro Apex One and Worry-Free Business Security versions 2019 are affected by CVE-2021-42106.
How can I fix the CVE-2021-42106 vulnerability?
To fix the CVE-2021-42106 vulnerability, update to the latest version of Trend Micro Apex One or Trend Micro Apex One and Worry-Free Business Security.
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