Vulnerability identifier: #VU50711

Vulnerability risk: Low

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-20655

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
FileZen
Client/Desktop applications / Other client software

Vendor: Soliton Systems

Description

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

The vulnerability exists due to improper input validation. A remote administrator 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.

This vulnerability affects the following versions of FileZen:

• from V3.0.0 to V4.2.7
• from V5.0.0 to V5.0.2

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

FileZen: 4.2.7 - 5.0.2

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External links
http://jvn.jp/en/jp/JVN58774946/index.html
http://www.soliton.co.jp/support/2021/004334.html

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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