PULSEUnderground Intel

LIVE36signals / 24h

FEED

ransomqilin reclama a Keio Corporation · JP · Transportationransomqilin reclama a Kemlows Diecasting Products Limited · GB · Manufacturingransomqilin reclama a Telcoe Federal Credit Union · US · Financial Servicesransomwallstreet reclama a TGM Manufacturing, Inc · US · Manufacturingransomqilin reclama a Segres Systec · ES · Technologyransomqilin reclama a Shield Wall Systems of Florida · US · Government & Defenseransomqilin reclama a The Excalibur Group · US · Otherransomiah6477 reclama a hilmar-cheese · US · Agriculture and Food Productionransomn0n reclama a Company #70 · EG · Not Foundransomn0n reclama a Company #73 · Not Foundransomlockbit5 reclama a torcivialaw.com · IT · Professional Servicesransomlockbit5 reclama a kidzrkooldental.com · US · Healthcareransomlockbit5 reclama a lcww.com.eg · EG · Not Foundransomlockbit5 reclama a neweramachines.com · US · Manufacturingransomqilin reclama a Keio Corporation · JP · Transportationransomqilin reclama a Kemlows Diecasting Products Limited · GB · Manufacturingransomqilin reclama a Telcoe Federal Credit Union · US · Financial Servicesransomwallstreet reclama a TGM Manufacturing, Inc · US · Manufacturingransomqilin reclama a Segres Systec · ES · Technologyransomqilin reclama a Shield Wall Systems of Florida · US · Government & Defenseransomqilin reclama a The Excalibur Group · US · Otherransomiah6477 reclama a hilmar-cheese · US · Agriculture and Food Productionransomn0n reclama a Company #70 · EG · Not Foundransomn0n reclama a Company #73 · Not Foundransomlockbit5 reclama a torcivialaw.com · IT · Professional Servicesransomlockbit5 reclama a kidzrkooldental.com · US · Healthcareransomlockbit5 reclama a lcww.com.eg · EG · Not Foundransomlockbit5 reclama a neweramachines.com · US · Manufacturing

CVE Watch—

CVE-2021-27104

Accellion FTA OS Command Injection Vulnerability

CVSS

—

No CVSS

EPSS

56.7%

p99

KEV

YES

Nov 3, 2021

Exploit Today

80

0-100

Published: — · Last modified: —

EPSS · 30d

56.7%EPSS · 30 days56.7%

2026-09-172026-10-15

KEV catalog record

Product

Accellion / FTA

Vulnerability

Accellion FTA OS Command Injection Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

Nov 17, 2021

Known ransomware use

Yes

Summary description

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

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-27104

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2021-27103—

KEV—79Accellion FTA Server-Side Request Forgery (SSRF) Vulnerability—CVE-2021-27101—

KEV—78Accellion FTA SQL Injection Vulnerability—CVE-2021-27102—

KEV—77Accellion FTA OS Command Injection Vulnerability—