CVE-2021-3848 Privilege escalation in Trend Micro Apex One
A local attacker can escalate privileges to create arbitrary files, potentially causing a denial of service on 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-2021-3848?
CVE-2021-3848 is a medium-severity vulnerability in Trendmicro Apex One, published on 6 Oct 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An arbitrary file creation by privilege escalation vulnerability in Trend Micro Apex One, Apex One as a Service, Worry-Free Business Security 10.0 SP1, and Worry-Free Business Security Services could allow a local attacker to create an arbitrary file with higher privileges that could lead to a denial-of-service (DoS) on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.
Which versions are affected by CVE-2021-3848?
It affects 2 products.
Products include Trendmicro Apex One, Trendmicro Worry-Free Business Security.
How do I fix CVE-2021-3848?
No fix has been published for CVE-2021-3848 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-3848 being exploited?
There is no known exploitation of CVE-2021-3848 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-2px7-682p-g6gg.