Vulnerability identifier: #VU55862

Vulnerability risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-37626

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Contao
Web applications / CMS

Vendor: Contao

Description

The vulnerability allows a remote local to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote administrator can load PHP files and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Contao: 4.4.0 - 4.11.6

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External links
http://contao.org/en/security-advisories/php-file-inclusion-via-insert-tags.html
http://github.com/contao/contao/security/advisories/GHSA-r6mv-ppjc-4hgr

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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.