CVE-2021-27102

Accellion FTA OS Command Injection Vulnerability

Exploited in attacks Used by ransomware High 7.8 Attack chance: 3.7%

What it is

Accellion FTA 9_12_411 and earlier is affected by OS command execution via a local web service call. The fixed version is FTA_9_12_416 and later.

CISA: Accellion FTA contains an OS command injection vulnerability exploited via a local web service call.

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: November 17, 2021

Added to the CISA list: November 3, 2021
Published: February 16, 2021
Severity: High 7.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS): 3.7% in the top 10.4% of all known vulnerabilities
Weakness: CWE-20 CWE-78
More details: NVD · CVE.org · CISA

All references (2)

More exploited flaws from Accellion

Added	Vulnerability	Product	Severity	Attack chance
Nov 3, 2021	SQL InjectionCVE-2021-27101used by ransomware	FTA	Critical 9.8	6.0%
Nov 3, 2021	Server-Side Request Forgery (SSRF)CVE-2021-27103used by ransomware	FTA	Critical 9.8	11%
Nov 3, 2021	OS Command InjectionCVE-2021-27104used by ransomware	FTA	Critical 9.8	57%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.