Path traversal in Soliton Systems FileZen

1) Path traversal

EUVDB-ID: #VU48911

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5639

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and upload an arbitrary file in the specific directory in the product.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FileZen: 3.0.0 - 4.2.2

External links

http://jvn.jp/en/jp/JVN12884935/index.html
http://www.soliton.co.jp/support/2020/004278.html

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.