November 3, 2021 · Applied Cybernetics Group
CVE-2021-36741 — Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security
Trend Micro Multiple Products Improper Input Validation Vulnerability
- Added to KEV
2021-11-03- Federal due date
2021-11-17- Vendor
- Trend Micro
- Product
- Apex One, Apex One as a Service, and Worry-Free Business Security
- EPSS
- 71.6th percentile (score 0.007, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-36741
CISA short description
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.
Required action
Apply updates per vendor instructions.