PT-2021-2476 · Accellion · Accellion Fta

Published 2021-02-16 · Updated 2025-11-03 · CVE-2021-27104

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Accellion FTA versions 9 12 370 and earlier

Description The issue is related to OS command injection in Accellion FTA, allowing an attacker to execute arbitrary commands and gain unauthorized access to protected information by sending specially crafted POST requests to various admin endpoints.

Recommendations For Accellion FTA versions 9 12 370 and earlier, update to version FTA 9 12 380 or later to resolve the issue. As a temporary workaround, consider restricting access to admin endpoints to minimize the risk of exploitation.

Exploit

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2021-01843

CVE-2021-27104

Affected Products

Accellion Fta

References · 14

• 🔥 https://github.com/accellion/CVEs/blob/main/CVE-2021-27104.txt · Exploit
• https://accellion.com/products/fta · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27104 · Security Note
• https://bdu.fstec.ru/vul/2021-01843 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27104 · Vendor Advisory
• https://t.me/cvenotify/9997 · Telegram Post
• https://t.me/aptreports/15086 · Telegram Post
• https://t.me/cveNotify/141322 · Telegram Post
• https://t.me/cvenotify/114886 · Telegram Post
• https://xakep.ru/2021/02/25/bombardier-leak · Note
• https://twitter.com/ItsReallyNick/status/1737830416508194944 · Twitter Post
• https://cisa.gov/sites/default/files/csv/known_exploited_vulnerabilities.csv · Note
• https://cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-27104 · Note
• https://t.me/cibsecurity/23687 · Telegram Post