How severe is CVE-2019-9489?

CVE-2019-9489 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-9489 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9489?

CVE-2019-9489 primarily affects Trendmicro Apex One. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-9489?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-9489 published?

CVE-2019-9489 was published on 2019-04-05 and last updated on 2026-06-17.

CVE-2019-9489

CVE-2019-9489 is a high-severity vulnerability in Trendmicro Apex One with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Trendmicro Apex One
Published: 2019-04-05
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-9489?: CVE-2019-9489 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-9489 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9489?: CVE-2019-9489 primarily affects Trendmicro Apex One. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-9489?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-9489 published?: CVE-2019-9489 was published on 2019-04-05 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:a:trendmicro:apex_one:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:apex_one_as_a_service:*:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:business_security:9.0:sp3:*:*:*:*:*:*
cpe:2.3:a:trendmicro:officescan:11.0:sp1:*:*:*:*:*:*
cpe:2.3:a:trendmicro:officescan:xg:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:officescan:xg:sp1:*:*:*:*:*:*
cpe:2.3:a:trendmicro:worry-free_business_security:9.5:*:*:*:*:*:*:*
cpe:2.3:a:trendmicro:worry-free_business_security:10.0:*:*:*:*:*:*:*

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