CVE-2021-44022 Denial of service in Trend Micro Apex One
An attacker with low-privileged code execution can trigger a reachable assertion in Trend Micro Apex One, 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-2021-44022?
CVE-2021-44022 is a medium-severity denial of service vulnerability in Trendmicro Apex One, published on 3 Dec 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A reachable assertion vulnerability in Trend Micro Apex One could allow an attacker to crash the program on affected installations, leading to a denial-of-service (DoS). Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Weakness: CWE-617
Which versions are affected by CVE-2021-44022?
It affects 1 product.
Products include Trendmicro Apex One.
How do I fix CVE-2021-44022?
No fix has been published for CVE-2021-44022 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-2021-44022 being exploited?
There is no known exploitation of CVE-2021-44022 in the wild and no public exploit code.
Other vulnerabilities in Trendmicro Apex One
- CVE-2020-8599 Trend Micro Apex One and OfficeScan Authentication Bypass
- CVE-2025-54948 Trend Micro Apex One OS Command Injection
- CVE-2021-36741 Trend Micro Multiple Products Improper Input Validation
- CVE-2020-8467 Trend Micro Apex One and OfficeScan Remote Code Execution
- CVE-2020-8468 Trend Micro Multiple Products Content Validation Escape
Sources
Also known as GHSA-46vv-9wj7-qvxg.