Actively exploited in the wild
Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability
Accellion - FTA · Listed in the CISA KEV since 2021-11-03. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-27103
CriticalCVSS 9.8KEVSummary
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.
Risk Assessment
An attacker can force the FTA server to make requests to internal resources, potentially leading to information disclosure or using the server as a pivot for further attacks. This vulnerability was part of a chain exploited in real-world campaigns.
Recommendation
Update Accellion FTA to FTA_9_12_416 or later, or preferably migrate to a supported platform. Review server logs for unusual outbound requests.
Other vulnerabilities in Accellion FTA
See all- CVE-2021-27104CriticalActively exploited
Accellion FTA 9_12_370 and earlier is affected by OS command execution via a crafted POST request to various admin endpoints. The fixed version is FTA_9_12_380 and later.
- CVE-2021-27101CriticalActively exploited
Accellion FTA 9_12_370 and earlier is affected by SQL injection via a crafted Host header in a request to document_root.html. The fixed version is FTA_9_12_380 and later.
- CVE-2017-8789Critical
An issue was discovered on Accellion FTA devices before FTA_9_12_180 related to an SQL injection vector via report_error.php?year='payload.
Original NVD description (English source)
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.