CVE-2019-18189 Path traversal in Trend Micro Apex One, Trend Micro OfficeScan (OSCE), Trend Micro Worry-Free Business Security (WFBS)
An unauthenticated attacker can exploit a directory traversal flaw to bypass authentication and log in as root on the management console.
- 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-2019-18189?
CVE-2019-18189 is a critical path traversal vulnerability in Trendmicro Apex One, published on 28 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A directory traversal vulnerability in Trend Micro Apex One, OfficeScan (11.0, XG) and Worry-Free Business Security (9.5, 10.0) may allow an attacker to bypass authentication and log on to an affected product's management console as a root user. The vulnerability does not require authentication.
Weakness: CWE-22
Which versions are affected by CVE-2019-18189?
It affects 3 products.
Products include Trendmicro Apex One, Trendmicro Officescan, Trendmicro Worry-Free Business Security.
How do I fix CVE-2019-18189?
No fix has been published for CVE-2019-18189 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2019-18189 being exploited?
There is no known exploitation of CVE-2019-18189 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-q46j-mg66-8mgv.