Vulnerability Intelligence Report
Trend Micro Multiple Products Improper Input Validation Vulnerability
CVE-2021-36741
An improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG, and Worry-Free Business Security 10.0 SP1 allows a remote attached to upload arbitrary files on affected installations. Please note: an attacker must first obtain the ability to logon to the product�s management console in order to exploit this vulnerability.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:4.95%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-434 ↗CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Trend Micro | Trend Micro Apex One | 2019, SaaS (affected) |
| Trend Micro | Trend Micro OfficeScan | XG SP1 (affected) |
| Trend Micro | Trend Micro Worry-Free Business Security | 10.0 SP1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Trend Micro, Inc. · Vendor · Japan |
| Reserved | 2021-07-14T00:00:00 |
| Published | 2021-07-29T19:23:13 |
| Last Updated | 2025-10-21T23:25:39 |
Community Chatter & Buzz