CVE-2019-9489 — A directory traversal vulnerability in Trend Micro Apex One, OfficeScan (version

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.

01What is this vulnerability?

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.

02Affected products

Vendor	Product	Versions
Trend Micro	Apex One, OfficeScan, Worry	Free Business Security — Apex One, OfficeScan XG, OfficeScan 11.0, Worry-Free Business Security 10, Worry-Free Business Security 9.5, Worry-Free Business Security 9.0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-04-05T22:46:14.000Z
• Last modified: 2024-08-04T21:54:44.231Z

09References

• success.trendmicro.com — https://success.trendmicro.com/solution/1122250
• success.trendmicro.com — https://success.trendmicro.com/jp/solution/1122253