CVE-2020-8599

Trend Micro OfficeScan, Trend Micro Apex One

Published 18 Mar 2020 · updated 17 Jun 2026 · Analyzed

9.8 Critical · 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 Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that could allow a remote attacker to write arbitrary data to an arbitrary path on affected installations and bypass ROOT login. Authentication is not required to exploit this vulnerability.

References

success.trendmicro.com/jp/solution/000244253 · Broken Link, Patch, Vendor Advisory
success.trendmicro.com/solution/000245571 · Broken Link, Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8599 · US Government Resource