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Vulnerabilities

Vulnerability · CVE-2019-9489

Trend Micro Apex One and Apex One as a Service Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Published Jan 17, 2020 · catalog updated Jan 17, 2020 · Trend Micro Apex One and Apex One as a Service

Patch now

CVE-2019-9489 is in the CISA known-exploited catalog. Confirm Trend Micro Apex One and Apex One as a Service against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
2.26%
Remediation
Remediation guidance
Affected products
vendor Trend Micro Apex One and Apex One as a Service

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Trend Micro Apex One and Apex One as a Serviceversion unspecified

How to fix CVE-2019-9489

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2019-9489 is in the CISA known-exploited catalog. Confirm Trend Micro Apex One and Apex One as a Service against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 2.26%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 17, 2020 · VulnCheck KEV

    Detected

    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.

  2. Jan 17, 2020 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2019-9489

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2019-9489

    30-day exploitation probability 2.3%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.