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
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Trend Micro Worry-Free Business Security | ||
| 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 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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