Accellion FTA OS Command Injection Vulnerability

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

cat cve-2021-27104.json

Vendor: Accellion
Product: FTA
CVSS: 9.8
EPSS (exploit probability): 56.4%
Status: kevransomware use
CISA patch-by (BOD 22-01): November 17, 2021
Published: November 3, 2021
Source: https://nvd.nist.gov/vuln/detail/CVE-2021-27104

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

Added to CISA’s Known Exploited Vulnerabilities catalog on 2021-11-03. Required action per CISA: Apply updates per vendor instructions. Due date: 2021-11-17.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.