Vulnerability identifier: #VU64525

Vulnerability risk: Low

CVSSv3.1: 7 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-21829

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
concrete5
Web applications / CMS

Vendor: PortlandLabs

Description

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

The vulnerability exists due to the affected application can download zip files over HTTP. A remote administrator can execute arbitrary code from those zip files 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

concrete5: 8.5.0 - 9.0.2

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External links
http://github.com/concrete5/concrete5/releases/tag/8.5.8

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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.