high
7.8
CWE
59
Advisory Published
Advisory Published
Updated

CVE-2021-45231: Trend Micro Apex One Link Following Privilege Escalation Vulnerability

First published: Sat Jan 08 2022(Updated: )

A link following privilege escalation vulnerability in Trend Micro Apex One (on-prem and SaaS) and Trend Micro Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to create a specially crafted file with arbitrary content which could grant local privilege escalation on the affected system. 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 security@trendmicro.com

Affected SoftwareAffected VersionHow 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

Remedy

https://success.trendmicro.com/solution/000289996

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-45231?

    The severity of CVE-2021-45231 is high with a CVSS score of 7.8.

  • How does the vulnerability CVE-2021-45231 allow privilege escalation?

    The vulnerability CVE-2021-45231 allows local attackers to escalate privileges on affected installations of Trend Micro Apex One Security Agent by executing low-privileged code on the target system.

  • Which software is affected by CVE-2021-45231?

    The software affected by CVE-2021-45231 includes Trend Micro Apex One and Worry-Free Business Security.

  • How can I fix CVE-2021-45231?

    To fix CVE-2021-45231, it is recommended to install the latest security updates provided by Trend Micro.

  • Where can I find more information about CVE-2021-45231?

    For more information about CVE-2021-45231, you can refer to the following references: [link1](https://success.trendmicro.com/solution/000289996), [link2](https://www.zerodayinitiative.com/advisories/ZDI-22-013/).

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