7.8
CWE
346
Advisory Published
Updated
Advisory Published

CVE-2021-45441: Trend Micro Apex One Origin Validation Error Local Privilege Escalation Vulnerability

First published: Sat Jan 08 2022(Updated: )

A origin validation error vulnerability in Trend Micro Apex One (on-prem and SaaS) could allow a local attacker drop and manipulate a specially crafted file to issue commands over a certain pipe and elevate to a higher level of privileges. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Credit: security@trendmicro.com

Affected SoftwareAffected VersionHow to fix
Trend Micro Apex One
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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Frequently Asked Questions

  • What is CVE-2021-45441?

    CVE-2021-45441 is a vulnerability that allows local attackers to escalate privileges on affected installations of Trend Micro Apex One Security Agent.

  • How can this vulnerability be exploited?

    In order to exploit this vulnerability, an attacker must first obtain the ability to execute low-privileged code on the target system.

  • What is the severity of CVE-2021-45441?

    CVE-2021-45441 has a severity score of 7.8 (high).

  • Which software versions are affected by CVE-2021-45441?

    Affected software versions include Trend Micro Apex One 2019, Trend Micro Worry-Free Business Security 10.0 SP1, and Trend Micro Worry-Free Business Security Services.

  • How can I fix CVE-2021-45441?

    To fix CVE-2021-45441, it is recommended to update to the latest version of Trend Micro Apex One Security Agent or apply the necessary patches provided by the vendor.

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