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[ CVE-2020-8599 · Published 18 Mar 2020 ]

Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability

Exploited · CISA KEV CVSS 9.8 EPSS 12%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
  • EPSS: 12% chance of exploitation in the next 30 days (higher than 96% of CVEs)
  • Critical severity: CVSS 9.8

[ Description ]Official 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.

CISA: Trend Micro Apex One and OfficeScan server contain a vulnerable EXE file that could allow a remote attacker to write data to a path on affected installations and bypass root login.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 3 May 2022): Apply updates per vendor instructions.

[ References ]References