CVE-2021-25249 Memory corruption in Trend Micro Apex One
A local attacker with low-privileged code execution can exploit an out-of-bounds write to escalate privileges and disclose information 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-2021-25249?
CVE-2021-25249 is a high-severity memory corruption vulnerability in Trendmicro Apex One, published on 4 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An out-of-bounds write information disclosure vulnerability in Trend Micro Apex One (on-prem and SaaS), OfficeScan XG SP1, and Worry-Free Business Security (10.0 SP1 and Services) could allow a local attacker to escalate privileges 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.
Weakness: CWE-787
Which versions are affected by CVE-2021-25249?
It affects 3 products.
Products include Trendmicro Apex One, Trendmicro Officescan, Trendmicro Worry-Free Business Security.
How do I fix CVE-2021-25249?
No fix has been published for CVE-2021-25249 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-25249 being exploited?
There is no known exploitation of CVE-2021-25249 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-2q3x-mqw8-qf9r.