Vulnerability Intelligence Report
Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability
CVE-2020-8599
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 KEV
SSVC: Active Exploitation
Automatable
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:11.58%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Trend Micro | Trend Micro OfficeScan, Trend Micro Apex One | OfficeScan XG (12.0), Apex One 2019 (14.0) (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Trend Micro, Inc. · Vendor · Japan |
| Reserved | 2020-02-04T00:00:00 |
| Published | 2020-03-18T00:30:44 |
| Last Updated | 2025-10-21T23:35:47 |
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