CVE-2021-36741
Trend Micro Multiple Products Improper Input Validation Vulnerability
IN CISA KEV
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
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-22
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2021-11-03
- Due date
- 2021-11-17
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
EPSS
4.95% chance of exploitation in the next 30 days (percentile 92nd)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.