CVE-2021-36742
Trend Micro Multiple Products Improper Input Validation Vulnerability
Summary
Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security contain an improper input validation vulnerability that allows for privilege escalation.
Affected software
Vendor: Trend Micro · Product: Apex One, Apex One as a Service, and Worry-Free Business Security
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in Trend Micro
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2019-18187 | Trend Micro OfficeScan Directory Traversal Vulnerability | 25.1% | Yes |
| CVE-2025-54948 | Trend Micro Apex One OS Command Injection Vulnerability | 20.8% | Yes |
| CVE-2022-26871 | Trend Micro Apex Central Arbitrary File Upload Vulnerability | 19.6% | Yes |
| CVE-2026-34926 | Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability | 12.7% | Yes |
| CVE-2020-8599 | Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability | 11.6% | Yes |
| CVE-2020-8467 | Trend Micro Apex One and OfficeScan Remote Code Execution Vulnerability | 10.8% | Yes |
| CVE-2020-8468 | Trend Micro Multiple Products Content Validation Escape Vulnerability | 5.8% | Yes |
| CVE-2021-36741 | Trend Micro Multiple Products Improper Input Validation Vulnerability | 5.0% | Yes |
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