CVE-2021-45231 Privilege escalation in Trend Micro Apex One
A local attacker can escalate privileges by creating a specially crafted file, requiring prior low-privileged code execution on the system.
- 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-2021-45231?
CVE-2021-45231 is a high-severity vulnerability in Trendmicro Apex One, published on 8 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A link following privilege escalation vulnerability in Trend Micro Apex One (on-prem and SaaS) and Trend Micro Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to create a specially crafted file with arbitrary content which could grant local privilege escalation on the affected system. 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-59
Which versions are affected by CVE-2021-45231?
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-2021-45231?
No fix has been published for CVE-2021-45231 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-45231 being exploited?
There is no known exploitation of CVE-2021-45231 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-c7c6-gf69-v976.