CVE-2020-24558 Denial of service in Trend Micro Apex One

High 7.1 Published 1 Sep 2020 Updated 4 Aug 2024

An attacker with low-privileged code execution can trigger an out-of-bounds read, crashing multiple processes in Trend Micro security products.

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-2020-24558?

CVE-2020-24558 is a high-severity denial of service vulnerability in Trendmicro Apex One, published on 1 Sep 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability in an Trend Micro Apex One, Worry-Free Business Security 10.0 SP1 and Worry-Free Business Security Services dll may allow an attacker to manipulate it to cause an out-of-bounds read that crashes multiple processes in the product. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Weakness: CWE-125

Which versions are affected by CVE-2020-24558?

It affects 3 products.

Products include Trendmicro Apex One, Trendmicro Worry-Free Business Security, Trendmicro Worry-Free Business Security Services.

How do I fix CVE-2020-24558?

No fix has been published for CVE-2020-24558 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-24558 being exploited?

There is no known exploitation of CVE-2020-24558 in the wild and no public exploit code.

All Trendmicro Apex One vulnerabilities

Sources

Also known as GHSA-63vj-8rg8-54wf.