Accellion FTA OS Command Injection Vulnerability

Timeline

Detection, updates, and resolution for this record.

1. Feb 16, 2021 · Catalog

   Detected

   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.

2. Nov 3, 2021 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Nov 17, 2021 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   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.

Affected

• cpe accellion/ftaversion unspecified
• vendor Accellion FTAversion unspecified

Sources

• CISA KEVCVE-2021-27104

  Accellion FTA contains an OS command injection vulnerability exploited via a crafted POST request to various admin endpoints.

  cisa.gov
• CVE.orgCVE-2021-27104

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2021-27104

  30-day exploitation probability 56.7%

  first.org
• NIST NVDCVE-2021-27104

  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.

  nvd.nist.gov

References

• Broken Link · github.com
• CISA note · nvd.nist.gov
• Product · accellion.com
• US Government Resource · cisa.gov