CVE-2021-44023: Trend Micro Maximum Security Link Following Denial-of-Service Vulnerability
A link following denial-of-service (DoS) vulnerability in the Trend Micro Security (Consumer) 2021 familiy of products could allow an attacker to abuse the PC Health Checkup feature of the product to create symlinks that would allow modification of files which could lead to a denial-of-service.
Other sources
This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Trend Micro Maximum Security. 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 Platinum Host Service. By creating a symbolic link, an attacker can abuse the service to overwrite a file. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2021-44023.
What is the title of this vulnerability?
The title of this vulnerability is Trend Micro Maximum Security Link Following Denial-of-Service Vulnerability.
What is the severity of CVE-2021-44023?
The severity of CVE-2021-44023 is high with a CVSS score of 7.1.
Which software versions are affected by CVE-2021-44023?
CVE-2021-44023 affects Trendmicro Antivirus+ Security 2021, Trendmicro Internet Security 2021, Trend Micro Maximum Security, and Trendmicro Premium Security 2021 up to version 17.0.
How can this vulnerability be exploited?
This vulnerability can be exploited by local attackers with the ability to execute low-privileged code on the target system.
Are all versions of Microsoft Windows affected by CVE-2021-44023?
No, Microsoft Windows is not vulnerable to CVE-2021-44023.
Where can I find more information about this vulnerability?
You can find more information about this vulnerability at the following references: https://helpcenter.trendmicro.com/en-us/article/tmka-10867 and https://www.zerodayinitiative.com/advisories/ZDI-21-1536/
What is the Common Weakness Enumeration (CWE) ID for this vulnerability?
The Common Weakness Enumeration (CWE) ID for this vulnerability is CWE-59.