Critical severity · published Oct 28, 2019
CVE-2019-18189
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…
9.8
CVSS
4.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.5% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AO
Apex One · Trend Micro
All versions, or not specified · source: NVD
OF
Officescan · Trendmicro
11.0; xg; xg · source: NVD
WB
Worry-free Business Security · Trendmicro
9.5; 10.0; 10.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-18189
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-18189
Vendor Advisory
https://success.trendmicro.com/solution/000151732
More from Apex One
9.8
CVE-2025-54948
Trend Micro Apex One OS Command Injection Vulnerability
9.8
CVE-2022-26871
Trend Micro Apex Central Arbitrary File Upload Vulnerability
9.8
CVE-2020-8599
Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability
8.8
CVE-2021-36741
Trend Micro Multiple Products Improper Input Validation Vulnerability
8.8
CVE-2020-8468
Trend Micro Multiple Products Content Validation Escape Vulnerability