Vulnerability identifier: #VU29570

Vulnerability risk: Medium

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2020-15515

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Turn!
Web applications / Modules and components for CMS

Vendor: Marc Willmann

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote authenticated attacker with FTP/SFTP access to the TYPO3 website can pass specially crafted input to the application execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Turn!: 0.0.1 - 0.3.0

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External links
http://typo3.org/security/advisory/typo3-ext-sa-2020-011/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated 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.