#VU21605 Code Injection in CMS Made Simple - CVE-2019-9057

Vulnerability identifier: #VU21605

Vulnerability risk: High

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-9057

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CMS Made Simple
Web applications / CMS

Vendor: cmsmadesimple.org

Description

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

The vulnerability exists due to improper input validation in the FilePicker module. A remote authenticated attacker can reach an unserialize call with an untrusted parameter 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

CMS Made Simple: 0.1 - 2.7

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External links
https://www.cmsmadesimple.org/2019/03/Announcing-CMS-Made-Simple-v2.2.10-Spuzzum

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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.