November 3, 2021 · Applied Cybernetics Group
CVE-2021-27101 — Accellion FTA
known ransomware use
Accellion FTA SQL Injection Vulnerability
- Added to KEV
2021-11-03- Federal due date
2021-11-17- Vendor
- Accellion
- Product
- FTA
- EPSS
- 92.5th percentile (score 0.060, as of
2026-07-13) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- ATT&CK
- T1005 , T1059 · signal rollup
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-27101
CISA short description
Accellion FTA contains a SQL injection vulnerability exploited via a crafted host header in a request to document_root.html.
Required action
Apply updates per vendor instructions.