Vulnerability identifier: #VU50786

Vulnerability risk: High

CVSSv3.1: 9.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2021-27101

CWE-ID: CWE-89

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Accellion FTA
Server applications / File servers (FTP/HTTP)

Vendor: Accellion

Description

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data within a crafted Host header in a request to "document_root.html". A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Accellion FTA: 9_12_370

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External links
http://github.com/accellion/CVEs/blob/main/CVE-2021-27101.txt
http://www.accellion.com/products/fta/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.