CVE-2021-27103 KEV
9.8
CRITICAL · CVSS 3.1 · EPSS 11.4% (pctl 96)
Patch first
On CISA KEV — known exploited in the wild, due 2021-11-17.
Description
Accellion FTA 9_12_411 and earlier is affected by SSRF via a crafted POST request to wmProgressstat.html. The fixed version is FTA_9_12_416 and later.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 11.41% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-918 |
| On CISA KEV | yes — remediate by 2021-11-17 |
| Public exploit | none known |
| Published | 2021-02-16 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability |
|---|---|
| Added | 2021-11-03 |
| Due | 2021-11-17 |
| Vendor / product | Accellion / FTA |
| Ransomware use | known |
Affected (1)
| Vendor | Product |
|---|---|
| accellion | fta |
References
→ the Explorer · watch your stack · NVD