high
7.1
CWE
59
Advisory Published
Advisory Published
Updated

CVE-2021-45442: Trend Micro Worry-Free Business Security Link Following Denial-of-Service Vulnerability

First published: Sat Jan 08 2022(Updated: )

A link following denial-of-service vulnerability in Trend Micro Worry-Free Business Security (on prem only) could allow a local attacker to overwrite arbitrary files in the context of SYSTEM. This is similar to, but not the same as CVE-2021-44024. 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 Worry-Free Business Security
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 vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2021-45442.

  • What is the severity of CVE-2021-45442?

    The severity of CVE-2021-45442 is high with a CVSS score of 7.1.

  • What is the affected software for CVE-2021-45442?

    The affected software for CVE-2021-45442 is Trend Micro Apex One and Worry-Free Business Security (version 2019) and Trendmicro Worry-free Business Security (version 10.0-sp1).

  • How can an attacker exploit CVE-2021-45442?

    An attacker can exploit CVE-2021-45442 by executing low-privileged code on the target system.

  • Where can I find more information about CVE-2021-45442?

    You can find more information about CVE-2021-45442 at the following references: [Link 1](https://success.trendmicro.com/solution/000289996), [Link 2](https://www.zerodayinitiative.com/advisories/ZDI-22-015/).

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