OS Command Injection in Accellion FTA



Published: 2021-02-18
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-27102
CWE-ID CWE-78
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
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Accellion FTA
Server applications / File servers (FTP/HTTP)

Vendor Accellion

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU50787

Risk: High

CVSSv3.1:

CVE-ID: CVE-2021-27102

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the local web service call. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Accellion FTA: 9_12_411


CPE2.3 External links

http://github.com/accellion/CVEs/blob/main/CVE-2021-27102.txt
http://www.accellion.com/products/fta/

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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