# CVE-2021-27103: Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability

Source: https://junglewise.ai/threats/cve-2021-27103-accellion-fta-server-side-request-forgery-ssrf-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2021-27103 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2021-11-03

Accellion FTA contains a server-side request forgery (SSRF) vulnerability that can be triggered via a crafted POST request to wmProgressstat.html. This vulnerability has been observed being exploited in the wild.

Technologies: [Accellion FTA](https://junglewise.ai/threats/technologies/fta). Vendors: [Accellion](https://junglewise.ai/threats/vendors/accellion).

## Quick answers

**Is CVE-2021-27103 exploited in the wild?** Yes. CVE-2021-27103 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

**How severe is CVE-2021-27103?** Critical severity, with a CVSS score of 9.8, published 3 November 2021.

**Which products and versions are affected?** Accellion FTA 9_12_411 and earlier.

**Is there a fix for CVE-2021-27103?** A patch was published on 2021-11-17: Due date for remediation per CISA KEV catalog; fixed in FTA_9_12_416 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2021-27103 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2021-27103?** Check whether you run Accellion FTA. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Accellion FTA 9_12_411 and earlier

## Timeline

- 2021-02-16: disclosed: NVD Published Date
- 2021-11-03: kev added: Date added to CISA Known Exploited Vulnerabilities Catalog
- 2021-11-17: patched: Due date for remediation per CISA KEV catalog; fixed in FTA_9_12_416

## Related threats

- [Accellion FTA OS Command Injection Vulnerability](https://junglewise.ai/threats/cve-2021-27102-accellion-fta-os-command-injection-vulnerability)
- [Accellion FTA OS Command Injection Vulnerability](https://junglewise.ai/threats/cve-2021-27104-accellion-fta-os-command-injection-vulnerability)
- [Accellion FTA SQL Injection Vulnerability](https://junglewise.ai/threats/cve-2021-27101-accellion-fta-sql-injection-vulnerability)