CVE-2021-42101 Privilege escalation in Trend Micro Apex One
A local attacker can escalate privileges by exploiting an uncontrolled search path element in Trend Micro Apex One.
- 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-2021-42101?
CVE-2021-42101 is a high-severity vulnerability in Trendmicro Apex One, published on 21 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An uncontrolled search path element vulnerabilities in Trend Micro Apex One and Apex One as a Service could allow a local attacker to escalate privileges on affected installations. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. This vulnerability is similar but not identical to CVE-2021-42103.
Weakness: CWE-427
Which versions are affected by CVE-2021-42101?
It affects 1 product.
Products include Trendmicro Apex One.
How do I fix CVE-2021-42101?
No fix has been published for CVE-2021-42101 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-42101 being exploited?
There is no known exploitation of CVE-2021-42101 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-2qx7-2cpx-52q5.