ACTIVELY EXPLOITED
CVE-2021-27102: Accellion FTA OS Command Injection Vulnerability
| Vendor | Accellion |
|---|---|
| Product | FTA |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Nov 2021 |
| CISA federal deadline | 17 Nov 2021 |
| Ransomware use | Known |
| Weakness (CWE) | CWE-20, CWE-78 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
Accellion FTA contains an OS command injection vulnerability exploited via a local web service call.
SOURCES
Other Accellion flaws
- CVE-2021-27104: Accellion FTA OS Command Injection Vulnerability
- CVE-2021-27103: Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability
- CVE-2021-27101: Accellion FTA SQL Injection Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.