What’s Vulnerable › Vulnerabilities

CVE-2019-18187: Trend Micro OfficeScan Directory Traversal Vulnerability

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2021-11-03
• EPSS: 25.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-28 · updated 2026-06-17
• Weakness: CWE-22

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.

Affected products

• Trend Micro OfficeScan: 11.0-sp1, xg, xg-sp1

References

• https://success.trendmicro.com/solution/000151730
• https://success.trendmicro.com/solution/000151730
• https://web.archive.org/web/20200215171235/https://success.trendmicro.com/solution/000151730
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-18187

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