CVE-2021-44023 Path traversal in Trend Micro Security (Consumer)

High 7.1 Published Updated

Attackers can abuse the PC Health Checkup feature to create symlinks, modifying files and causing a denial of service.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-44023?

CVE-2021-44023 is a high-severity path traversal vulnerability in Trend Micro Security (Consumer), published on 16 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-59

Which versions are affected by CVE-2021-44023?

It affects 4 products.

Products include Trendmicro Antivirus\+ Security 2021, Trendmicro Internet Security 2021, Trendmicro Maximum Security 2021, Trendmicro Premium Security 2021.

How do I fix CVE-2021-44023?

No fix has been published for CVE-2021-44023 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2021-44023 being exploited?

There is no known exploitation of CVE-2021-44023 in the wild and no public exploit code.

Sources

Also known as GHSA-jx33-88wc-7x75.

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