CVE-2021-27104

State: Published
Severity: 9.8 Critical
Published: Feb 16, 2021
Updated: Oct 21, 2025
Reserved: Feb 10, 2021

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://www.accellion.com/products/fta/
https://github.com/accellion/CVEs/blob/main/CVE-2021-27104.txt
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27104government-resource

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