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CVE-2019-18189

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

9.8 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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

4.54%Up 4.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

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.

Record
CVE-2019-18189
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-22
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2019-18189
Updated
2026-11-02
EUVDEUVD-2019-7992 No score

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.

Record
EUVD-2019-7992
Updated
2026-11-03
GitHub AdvisoriesGHSA-q46j-mg66-8mgv 9.8

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

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.

Record
GHSA-q46j-mg66-8mgv
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-22
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-18189 is a critical vulnerability (CVSS 9.8) in Trendmicro Apex One, published October 28, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.54%, the 91st percentile. No source names a fixed version.

References

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