CVE-2021-25241 Server-side request forgery in Trend Micro Apex One
An unauthenticated attacker can exploit an SSRF vulnerability to locate online agents, resulting in information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-25241?
CVE-2021-25241 is a medium-severity server-side request forgery vulnerability in Trendmicro Apex One, published on 4 Feb 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A server-side request forgery (SSRF) information disclosure vulnerability in Trend Micro Apex One and Worry-Free Business Security 10.0 SP1 could allow an unauthenticated user to locate online agents via a sweep.
Weakness: CWE-918
Which versions are affected by CVE-2021-25241?
It affects 2 products.
Products include Trendmicro Apex One, Trendmicro Worry-Free Business Security.
How do I fix CVE-2021-25241?
No fix has been published for CVE-2021-25241 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2021-25241 being exploited?
There is no known exploitation of CVE-2021-25241 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-hj87-9mrp-3rp8.