No exploitation reported

CVE-2019-18189

No exploitation reported by the sources we read.

Published2019-10-28
WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2019-10-2820:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-18189?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-18189?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Trendmicro officescan

Branch	Affected	Fixed in	Source
11.0	= 11.0	no fix published	NVD
—	= xg	no fix published	NVD

Trendmicro worry-free business security

Branch	Affected	Fixed in	Source
9.5	= 9.5	no fix published	NVD
10.0	= 10.0	no fix published	NVD

Trendmicro apex one

Branch	Affected	Fixed in	Source
—	all versions	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

success.trendmicro.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.010read 2026-10-23
NVDweakness (CWE)CWE-22read 2026-10-23
FIRST EPSSEPSS score4.5 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2019-10-28
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-18189?

Is CVE-2019-18189 actively exploited?

Active exploitation of CVE-2019-18189 has not been confirmed. Its EPSS score was 4.5% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-18189?

CVE-2019-18189 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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