Vulnerability identifier: #VU29288

Vulnerability risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-4059

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
mversion
Web applications / Modules and components for CMS

Vendor: Mikael Brevik

Description

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

The vulnerability exists due to the shell git commit messages are not escaped. A remote authenticated attacker can send a specially crafted request 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

mversion: 0.0.4 - 1.13.1

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External links
http://github.com/mikaelbr/mversion/commit/6c76c9efd27c7ff5a5c6f187e8b7a435c4722338
http://github.com/mikaelbr/mversion/security/advisories/GHSA-qjg4-w4c6-f6c6

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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.