CVE-2019-9489

A directory traversal vulnerability in Trend Micro Apex One, OfficeScan (versions XG and 11.0), and Worry-Free Business Security (versions 10.0, 9.5 and 9.0) could allow an attacker to modify arbitrary files on the affected product's management console.

Published: 2019-04-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-9489 is rated Moderate Risk (59.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.26%). EPSS rose +1.69% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-9489

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.57% 2.26% +1.69%
2 2025-03-30 0.91% 0.57% -0.34%
3 2025-03-29 — 0.91% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-9489

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.0 HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-9489

Affected software / configurations for CVE-2019-9489

Vendor Product Version Raw CPE
trendmicro apex_one <= b1066 cpe:2.3:a:trendmicro:apex_one:*:*:*:*:*:*:*:*
trendmicro apex_one_as_a_service < 2019-03-27 cpe:2.3:a:trendmicro:apex_one_as_a_service:*:*:*:*:*:*:*:*
trendmicro business_security 9.0 cpe:2.3:a:trendmicro:business_security:9.0:sp3:*:*:*:*:*:*
trendmicro officescan 11.0 cpe:2.3:a:trendmicro:officescan:11.0:sp1:*:*:*:*:*:*
trendmicro officescan xg cpe:2.3:a:trendmicro:officescan:xg:*:*:*:*:*:*:*
trendmicro officescan xg cpe:2.3:a:trendmicro:officescan:xg:sp1:*:*:*:*:*:*
trendmicro worry-free_business_security 9.5 cpe:2.3:a:trendmicro:worry-free_business_security:9.5:*:*:*:*:*:*:*
trendmicro worry-free_business_security 10.0 cpe:2.3:a:trendmicro:worry-free_business_security:10.0:*:*:*:*:*:*:*

References for CVE-2019-9489

cvelogic Threat Intelligence