Vulnerability identifier: #VU16769

Vulnerability risk: Low

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-0730

CWE-ID: CWE-77

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QNAP QTS
Server applications / File servers (FTP/HTTP)

Vendor: QNAP Systems, Inc.

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

The weakness exists due to command injection in File Station. A remote attacker can inject and run arbitrary commands with elevated privileges.

Mitigation
Update to version 4.3.6.0805 build 20181228.

Vulnerable software versions

QNAP QTS: 4.3.2 - 4.3.5.0769 20181123, 4.4.0.0752 20181112 - 4.4.0.0767 20181127, 4.2.2 - 4.2.6 20181026, 4.1.4

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External links
http://www.qnap.com/en/releasenotes/index.php?cat_choose=&p=1

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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?

No. We are not aware of malware exploiting this vulnerability.