CVE-2019-18187

Trend Micro OfficeScan

Published 28 Oct 2019 · updated 17 Jun 2026 · Analyzed

7.5 High · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies.

Required action: Apply updates per vendor instructions.

Description

Trend Micro OfficeScan versions 11.0 and XG (12.0) could be exploited by an attacker utilizing a directory traversal vulnerability to extract files from an arbitrary zip file to a specific folder on the OfficeScan server, which could potentially lead to remote code execution (RCE). The remote process execution is bound to a web service account, which depending on the web platform used may have restricted permissions. An attempted attack requires user authentication.

References

success.trendmicro.com/solution/000151730 · Broken Link, Vendor Advisory
web.archive.org/web/20200215171235/https://success.trendmicro.com/solution/000151730 · Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18187 · US Government Resource