Vulnerability identifier: #VU48588

Vulnerability risk: High

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-2020-15246

CWE-ID: CWE-98

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
October CMS
Web applications / CMS

Vendor: OctoberCMS

Description

The vulnerability allows a remote attacker to include and execute arbitrary PHP files on the server.

The vulnerability exists due to incorrect input validation when including PHP files. A remote non-authenticated attacker can send a specially crafted HTTP request to the affected application and include arbitrary local PHP files from the server.

Successful exploitation of the vulnerability may result in system and application compromise.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

October CMS: 1.0.421 - 1.0.468

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External links
http://github.com/octobercms/october/security/advisories/GHSA-xwjr-6fj7-fc6h/

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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.