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CVE-2019-18189

CRITICAL

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.

Published: Oct 28, 2019 Modified: Jun 17, 2026
CWE-22

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (7)

Vendor Product Version
trendmicro apex_one *
trendmicro officescan 11.0
trendmicro officescan xg
trendmicro officescan xg
trendmicro worry-free_business_security 9.5
trendmicro worry-free_business_security 10.0
trendmicro worry-free_business_security 10.0

GitHub Security Advisory GHSA-q46j-mg66-8mgv

A directory traversal vulnerability in Trend Micro Apex One, OfficeScan (11.0, XG) and Worry-Free...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 4.54%

Top 9% most likely to be exploited

Threat Score 40.6 / 100

Data Sources

NVD EPSS GitHub