Vulnerability identifier: #VU58511

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-2021-23258

CWE-ID: CWE-913

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Crafter CMS
Web applications / CMS

Vendor: Crafter Software Corporation

Description

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

The vulnerability exists due to no security restrictions for SPEL Expression. A remote administrator can pass specially crafted data to the application and execute arbitrary commands 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

Crafter CMS: 3.1.0 - 3.1.11

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External links
http://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120101

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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.