Vulnerability identifier: #VU15940

Vulnerability risk: Low

CVSSv3.1: 2.6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:U/RC:C]

CVE-ID: CVE-2018-16821

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
SeaCMS
Web applications / CMS

Vendor: SeaCMS .Net

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 passed via the "path" HTTP GET parameter to "upload/admin/admin_template.php" script. A remote attacker can send a specially crafted HTTP request and list contents of arbitrary directory on the system.

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

Vulnerable software versions

SeaCMS:

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External links
http://blog.51cto.com/13770310/2177212
http://www.seacms.net/thread-6249-1-1.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. However, proof of concept for this vulnerability is available.