CVE-2021-36741: Trend Micro Multiple Products Improper Input Validation Vulnerability
Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security contain an improper input validation vulnerability that allows a remote attacker to upload files.
| Vendor | Trend Micro |
|---|---|
| Product | Apex One, Apex One as a Service, and Worry-Free Business Security |
| Date added to KEV | 2021-11-03 |
| Due date (BOD 22-01) | 2021-11-17 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-22 |
| Required action | Apply updates per vendor instructions. |
What to do
- Identify every instance of Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's required action: Apply updates per vendor instructions.
- Federal civilian agencies must act by 2021-11-17 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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